-1(7+x)=18

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Solution for -1(7+x)=18 equation: 


Simplifying
-1(7 + x) = 18
(7 * -1 + x * -1) = 18
(-7 + -1x) = 18

Solving
-7 + -1x = 18

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + -1x = 18 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 18 + 7
-1x = 18 + 7

Combine like terms: 18 + 7 = 25
-1x = 25

Divide each side by '-1'.
x = -25

Simplifying
x = -25

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