17-18=x+7

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Solution for 17-18=x+7 equation:


Simplifying
17 + -18 = x + 7

Combine like terms: 17 + -18 = -1
-1 = x + 7

Reorder the terms:
-1 = 7 + x

Solving
-1 = 7 + x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 7 + 1 = 8
-1x = 8

Divide each side by '-1'.
x = -8

Simplifying
x = -8

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