161-x-x(2)=x+7

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Solution for 161-x-x(2)=x+7 equation:


Simplifying
161 + -1x + -1x(2) = x + 7

Reorder the terms for easier multiplication:
161 + -1x + -1 * 2x = x + 7

Multiply -1 * 2
161 + -1x + -2x = x + 7

Combine like terms: -1x + -2x = -3x
161 + -3x = x + 7

Reorder the terms:
161 + -3x = 7 + x

Solving
161 + -3x = 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.
161 + -3x + -1x = 7 + x + -1x

Combine like terms: -3x + -1x = -4x
161 + -4x = 7 + x + -1x

Combine like terms: x + -1x = 0
161 + -4x = 7 + 0
161 + -4x = 7

Add '-161' to each side of the equation.
161 + -161 + -4x = 7 + -161

Combine like terms: 161 + -161 = 0
0 + -4x = 7 + -161
-4x = 7 + -161

Combine like terms: 7 + -161 = -154
-4x = -154

Divide each side by '-4'.
x = 38.5

Simplifying
x = 38.5

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