-3(-x+7)=30

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Solution for -3(-x+7)=30 equation:


Simplifying
-3(-1x + 7) = 30

Reorder the terms:
-3(7 + -1x) = 30
(7 * -3 + -1x * -3) = 30
(-21 + 3x) = 30

Solving
-21 + 3x = 30

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = 30 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 30 + 21
3x = 30 + 21

Combine like terms: 30 + 21 = 51
3x = 51

Divide each side by '3'.
x = 17

Simplifying
x = 17

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