-(7x+21)=7

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


Simplifying
-1(7x + 21) = 7

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

Solving
-21 + -7x = 7

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 + -7x = 7 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = 7 + 21
-7x = 7 + 21

Combine like terms: 7 + 21 = 28
-7x = 28

Divide each side by '-7'.
x = -4

Simplifying
x = -4

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