123+x=101-7x

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Solution for 123+x=101-7x equation:


Simplifying
123 + x = 101 + -7x

Solving
123 + x = 101 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
123 + x + 7x = 101 + -7x + 7x

Combine like terms: x + 7x = 8x
123 + 8x = 101 + -7x + 7x

Combine like terms: -7x + 7x = 0
123 + 8x = 101 + 0
123 + 8x = 101

Add '-123' to each side of the equation.
123 + -123 + 8x = 101 + -123

Combine like terms: 123 + -123 = 0
0 + 8x = 101 + -123
8x = 101 + -123

Combine like terms: 101 + -123 = -22
8x = -22

Divide each side by '8'.
x = -2.75

Simplifying
x = -2.75

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