72-(7x+7)=7(x+5)+x

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Solution for 72-(7x+7)=7(x+5)+x equation:


Simplifying
72 + -1(7x + 7) = 7(x + 5) + x

Reorder the terms:
72 + -1(7 + 7x) = 7(x + 5) + x
72 + (7 * -1 + 7x * -1) = 7(x + 5) + x
72 + (-7 + -7x) = 7(x + 5) + x

Combine like terms: 72 + -7 = 65
65 + -7x = 7(x + 5) + x

Reorder the terms:
65 + -7x = 7(5 + x) + x
65 + -7x = (5 * 7 + x * 7) + x
65 + -7x = (35 + 7x) + x

Combine like terms: 7x + x = 8x
65 + -7x = 35 + 8x

Solving
65 + -7x = 35 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
65 + -7x + -8x = 35 + 8x + -8x

Combine like terms: -7x + -8x = -15x
65 + -15x = 35 + 8x + -8x

Combine like terms: 8x + -8x = 0
65 + -15x = 35 + 0
65 + -15x = 35

Add '-65' to each side of the equation.
65 + -65 + -15x = 35 + -65

Combine like terms: 65 + -65 = 0
0 + -15x = 35 + -65
-15x = 35 + -65

Combine like terms: 35 + -65 = -30
-15x = -30

Divide each side by '-15'.
x = 2

Simplifying
x = 2

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