205-3x=42x+15

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Solution for 205-3x=42x+15 equation:


Simplifying
205 + -3x = 42x + 15

Reorder the terms:
205 + -3x = 15 + 42x

Solving
205 + -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.
205 + -3x + -42x = 15 + 42x + -42x

Combine like terms: -3x + -42x = -45x
205 + -45x = 15 + 42x + -42x

Combine like terms: 42x + -42x = 0
205 + -45x = 15 + 0
205 + -45x = 15

Add '-205' to each side of the equation.
205 + -205 + -45x = 15 + -205

Combine like terms: 205 + -205 = 0
0 + -45x = 15 + -205
-45x = 15 + -205

Combine like terms: 15 + -205 = -190
-45x = -190

Divide each side by '-45'.
x = 4.222222222

Simplifying
x = 4.222222222

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