128=7x+4x+7

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Solution for 128=7x+4x+7 equation:


Simplifying
128 = 7x + 4x + 7

Reorder the terms:
128 = 7 + 7x + 4x

Combine like terms: 7x + 4x = 11x
128 = 7 + 11x

Solving
128 = 7 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
128 + -11x = 7 + 11x + -11x

Combine like terms: 11x + -11x = 0
128 + -11x = 7 + 0
128 + -11x = 7

Add '-128' to each side of the equation.
128 + -128 + -11x = 7 + -128

Combine like terms: 128 + -128 = 0
0 + -11x = 7 + -128
-11x = 7 + -128

Combine like terms: 7 + -128 = -121
-11x = -121

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

Simplifying
x = 11

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