4x+15x-39=18

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Solution for 4x+15x-39=18 equation:


Simplifying
4x + 15x + -39 = 18

Reorder the terms:
-39 + 4x + 15x = 18

Combine like terms: 4x + 15x = 19x
-39 + 19x = 18

Solving
-39 + 19x = 18

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + 39 + 19x = 18 + 39

Combine like terms: -39 + 39 = 0
0 + 19x = 18 + 39
19x = 18 + 39

Combine like terms: 18 + 39 = 57
19x = 57

Divide each side by '19'.
x = 3

Simplifying
x = 3

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