23+4x+15=128

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Solution for 23+4x+15=128 equation:


Simplifying
23 + 4x + 15 = 128

Reorder the terms:
23 + 15 + 4x = 128

Combine like terms: 23 + 15 = 38
38 + 4x = 128

Solving
38 + 4x = 128

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + -38 + 4x = 128 + -38

Combine like terms: 38 + -38 = 0
0 + 4x = 128 + -38
4x = 128 + -38

Combine like terms: 128 + -38 = 90
4x = 90

Divide each side by '4'.
x = 22.5

Simplifying
x = 22.5

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