15x+128=7x+104

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Solution for 15x+128=7x+104 equation:


Simplifying
15x + 128 = 7x + 104

Reorder the terms:
128 + 15x = 7x + 104

Reorder the terms:
128 + 15x = 104 + 7x

Solving
128 + 15x = 104 + 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.
128 + 15x + -7x = 104 + 7x + -7x

Combine like terms: 15x + -7x = 8x
128 + 8x = 104 + 7x + -7x

Combine like terms: 7x + -7x = 0
128 + 8x = 104 + 0
128 + 8x = 104

Add '-128' to each side of the equation.
128 + -128 + 8x = 104 + -128

Combine like terms: 128 + -128 = 0
0 + 8x = 104 + -128
8x = 104 + -128

Combine like terms: 104 + -128 = -24
8x = -24

Divide each side by '8'.
x = -3

Simplifying
x = -3

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