3(2x-7)-2x=-21

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Solution for 3(2x-7)-2x=-21 equation:


Simplifying
3(2x + -7) + -2x = -21

Reorder the terms:
3(-7 + 2x) + -2x = -21
(-7 * 3 + 2x * 3) + -2x = -21
(-21 + 6x) + -2x = -21

Combine like terms: 6x + -2x = 4x
-21 + 4x = -21

Add '21' to each side of the equation.
-21 + 21 + 4x = -21 + 21

Combine like terms: -21 + 21 = 0
0 + 4x = -21 + 21
4x = -21 + 21

Combine like terms: -21 + 21 = 0
4x = 0

Solving
4x = 0

Solving for variable 'x'.

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

Divide each side by '4'.
x = 0

Simplifying
x = 0

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