What is the value of x in the equation 3x 21?

The value of x in 3x = 21 is 7.

What is the solution of 3x 21?

Simply divide both sides by 3 : x>7 , our answer.

What is the value of x when 3x +15?

Starts here0:53Solve 3x = 15 – YouTubeYouTubeStart of suggested clipEnd of suggested clip53 second suggested clipAnd on the other side I get 15 divided by 3 which of course is equal to 5. So I’m proposing that xMoreAnd on the other side I get 15 divided by 3 which of course is equal to 5. So I’m proposing that x equals 5 is my solution to that equation.

How do you solve x 6 7?

x + 6 = 7 x+6=7 x+6=7 Subtract 6 from both sides. Simplify 7 − 6 7-6 7−6 to 1.

How do you solve x 3 12?

To get x from x3 , you have to multiply x3 by 3 .

1. This action ( ×3 ) needs to be completed on both sides of the equals sign.
2. x3=12.
3. x=36.

How do you solve x 2 7?

Starts here3:48Solve the equation. `x-2=7` – YouTubeYouTube

How do you solve x 9 7?

x + 9 = 7 x+9=7 x+9=7 Subtract 9 from both sides. Simplify 7 − 9 7-9 7−9 to −2.

How do I find the value of a X calculator?

Find the value of X? Steps involved in finding the value of x calculator is as follows: Process 1: The required input value must be entered in the divisor and the product field. Process 2: Click the ‘SOLVE’ option to obtain the output. Process 3: The output field will present the x value or the dividend. Standard Equations

How to multiply 4 by 2x-7 using distributive property?

Use the distributive property to multiply 4 by 2x-7. Use the distributive property to multiply 4 by 2 x − 7. Subtract 3 from -28 to get -31. Subtract 3 from − 2 8 to get − 3 1. Combine 3x and 4x to get 7x. Combine 3 x and 4 x to get 7 x. Subtract 7x from both sides.

How do you evaluate X and Y in Algebra calculator?

Algebra Calculator can also evaluate expressions that contain variables x and y. To evaluate an expression containing x and y, enter the expression you want to evaluate, followed by the @ sign and an ordered pair containing your x-value and y-value. Here is an example evaluating the expression xy at the point (3,4): xy @ (3,4) .

How do you evaluate an expression with X?

To evaluate an expression containing x, enter the expression you want to evaluate, followed by the @ sign and the value you want to plug in for x. For example the command 2x @ 3 evaluates the expression 2x for x=3, which is equal to 2*3 or 6. Algebra Calculator can also evaluate expressions…