-2(x-7)+7=21

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


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

Reorder the terms:
-2(-7 + x) + 7 = 21
(-7 * -2 + x * -2) + 7 = 21
(14 + -2x) + 7 = 21

Reorder the terms:
14 + 7 + -2x = 21

Combine like terms: 14 + 7 = 21
21 + -2x = 21

Add '-21' to each side of the equation.
21 + -21 + -2x = 21 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 21 + -21
-2x = 21 + -21

Combine like terms: 21 + -21 = 0
-2x = 0

Solving
-2x = 0

Solving for variable 'x'.

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

Divide each side by '-2'.
x = 0

Simplifying
x = 0

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