122-(7x+5)=7(x+6)+x

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Solution for 122-(7x+5)=7(x+6)+x equation:


Simplifying
122 + -1(7x + 5) = 7(x + 6) + x

Reorder the terms:
122 + -1(5 + 7x) = 7(x + 6) + x
122 + (5 * -1 + 7x * -1) = 7(x + 6) + x
122 + (-5 + -7x) = 7(x + 6) + x

Combine like terms: 122 + -5 = 117
117 + -7x = 7(x + 6) + x

Reorder the terms:
117 + -7x = 7(6 + x) + x
117 + -7x = (6 * 7 + x * 7) + x
117 + -7x = (42 + 7x) + x

Combine like terms: 7x + x = 8x
117 + -7x = 42 + 8x

Solving
117 + -7x = 42 + 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.
117 + -7x + -8x = 42 + 8x + -8x

Combine like terms: -7x + -8x = -15x
117 + -15x = 42 + 8x + -8x

Combine like terms: 8x + -8x = 0
117 + -15x = 42 + 0
117 + -15x = 42

Add '-117' to each side of the equation.
117 + -117 + -15x = 42 + -117

Combine like terms: 117 + -117 = 0
0 + -15x = 42 + -117
-15x = 42 + -117

Combine like terms: 42 + -117 = -75
-15x = -75

Divide each side by '-15'.
x = 5

Simplifying
x = 5

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