220-3x=42x+15

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Solution for 220-3x=42x+15 equation:


Simplifying
220 + -3x = 42x + 15

Reorder the terms:
220 + -3x = 15 + 42x

Solving
220 + -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.
220 + -3x + -42x = 15 + 42x + -42x

Combine like terms: -3x + -42x = -45x
220 + -45x = 15 + 42x + -42x

Combine like terms: 42x + -42x = 0
220 + -45x = 15 + 0
220 + -45x = 15

Add '-220' to each side of the equation.
220 + -220 + -45x = 15 + -220

Combine like terms: 220 + -220 = 0
0 + -45x = 15 + -220
-45x = 15 + -220

Combine like terms: 15 + -220 = -205
-45x = -205

Divide each side by '-45'.
x = 4.555555556

Simplifying
x = 4.555555556

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