3(x+5)=21whatisx

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Solution for 3(x+5)=21whatisx equation:


Simplifying
3(x + 5) = 21whatisx

Reorder the terms:
3(5 + x) = 21whatisx
(5 * 3 + x * 3) = 21whatisx
(15 + 3x) = 21whatisx

Solving
15 + 3x = 21ahistwx

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-21ahistwx' to each side of the equation.
15 + -21ahistwx + 3x = 21ahistwx + -21ahistwx

Combine like terms: 21ahistwx + -21ahistwx = 0
15 + -21ahistwx + 3x = 0

Add '-15' to each side of the equation.
15 + -21ahistwx + -15 + 3x = 0 + -15

Reorder the terms:
15 + -15 + -21ahistwx + 3x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -21ahistwx + 3x = 0 + -15
-21ahistwx + 3x = 0 + -15

Combine like terms: 0 + -15 = -15
-21ahistwx + 3x = -15

Reorder the terms:
15 + -21ahistwx + 3x = -15 + 15

Combine like terms: -15 + 15 = 0
15 + -21ahistwx + 3x = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(5 + -7ahistwx + x) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(5 + -7ahistwx + x)' equal to zero and attempt to solve: Simplifying 5 + -7ahistwx + x = 0 Solving 5 + -7ahistwx + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -7ahistwx + -5 + x = 0 + -5 Reorder the terms: 5 + -5 + -7ahistwx + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7ahistwx + x = 0 + -5 -7ahistwx + x = 0 + -5 Combine like terms: 0 + -5 = -5 -7ahistwx + x = -5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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