4x-40=15

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Solution for 4x-40=15 equation: 


Simplifying
4x + -40 = 15

Reorder the terms:
-40 + 4x = 15

Solving
-40 + 4x = 15

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 4x = 15 + 40

Combine like terms: -40 + 40 = 0
0 + 4x = 15 + 40
4x = 15 + 40

Combine like terms: 15 + 40 = 55
4x = 55

Divide each side by '4'.
x = 13.75

Simplifying
x = 13.75

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