122-(7x+4)=7(x+4)+x

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Solution for 122-(7x+4)=7(x+4)+x equation:


Simplifying
122 + -1(7x + 4) = 7(x + 4) + x

Reorder the terms:
122 + -1(4 + 7x) = 7(x + 4) + x
122 + (4 * -1 + 7x * -1) = 7(x + 4) + x
122 + (-4 + -7x) = 7(x + 4) + x

Combine like terms: 122 + -4 = 118
118 + -7x = 7(x + 4) + x

Reorder the terms:
118 + -7x = 7(4 + x) + x
118 + -7x = (4 * 7 + x * 7) + x
118 + -7x = (28 + 7x) + x

Combine like terms: 7x + x = 8x
118 + -7x = 28 + 8x

Solving
118 + -7x = 28 + 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.
118 + -7x + -8x = 28 + 8x + -8x

Combine like terms: -7x + -8x = -15x
118 + -15x = 28 + 8x + -8x

Combine like terms: 8x + -8x = 0
118 + -15x = 28 + 0
118 + -15x = 28

Add '-118' to each side of the equation.
118 + -118 + -15x = 28 + -118

Combine like terms: 118 + -118 = 0
0 + -15x = 28 + -118
-15x = 28 + -118

Combine like terms: 28 + -118 = -90
-15x = -90

Divide each side by '-15'.
x = 6

Simplifying
x = 6

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