85-3x=42x+15

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Solution for 85-3x=42x+15 equation:


Simplifying
85 + -3x = 42x + 15

Reorder the terms:
85 + -3x = 15 + 42x

Solving
85 + -3x = 15 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
85 + -3x + -42x = 15 + 42x + -42x

Combine like terms: -3x + -42x = -45x
85 + -45x = 15 + 42x + -42x

Combine like terms: 42x + -42x = 0
85 + -45x = 15 + 0
85 + -45x = 15

Add '-85' to each side of the equation.
85 + -85 + -45x = 15 + -85

Combine like terms: 85 + -85 = 0
0 + -45x = 15 + -85
-45x = 15 + -85

Combine like terms: 15 + -85 = -70
-45x = -70

Divide each side by '-45'.
x = 1.555555556

Simplifying
x = 1.555555556

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