7-(x-5)=10(x+20)

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Solution for 7-(x-5)=10(x+20) equation:


Simplifying
7 + -1(x + -5) = 10(x + 20)

Reorder the terms:
7 + -1(-5 + x) = 10(x + 20)
7 + (-5 * -1 + x * -1) = 10(x + 20)
7 + (5 + -1x) = 10(x + 20)

Combine like terms: 7 + 5 = 12
12 + -1x = 10(x + 20)

Reorder the terms:
12 + -1x = 10(20 + x)
12 + -1x = (20 * 10 + x * 10)
12 + -1x = (200 + 10x)

Solving
12 + -1x = 200 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
12 + -1x + -10x = 200 + 10x + -10x

Combine like terms: -1x + -10x = -11x
12 + -11x = 200 + 10x + -10x

Combine like terms: 10x + -10x = 0
12 + -11x = 200 + 0
12 + -11x = 200

Add '-12' to each side of the equation.
12 + -12 + -11x = 200 + -12

Combine like terms: 12 + -12 = 0
0 + -11x = 200 + -12
-11x = 200 + -12

Combine like terms: 200 + -12 = 188
-11x = 188

Divide each side by '-11'.
x = -17.09090909

Simplifying
x = -17.09090909

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