170-3x=42x+20

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Solution for 170-3x=42x+20 equation:


Simplifying
170 + -3x = 42x + 20

Reorder the terms:
170 + -3x = 20 + 42x

Solving
170 + -3x = 20 + 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.
170 + -3x + -42x = 20 + 42x + -42x

Combine like terms: -3x + -42x = -45x
170 + -45x = 20 + 42x + -42x

Combine like terms: 42x + -42x = 0
170 + -45x = 20 + 0
170 + -45x = 20

Add '-170' to each side of the equation.
170 + -170 + -45x = 20 + -170

Combine like terms: 170 + -170 = 0
0 + -45x = 20 + -170
-45x = 20 + -170

Combine like terms: 20 + -170 = -150
-45x = -150

Divide each side by '-45'.
x = 3.333333333

Simplifying
x = 3.333333333

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