168-3x=42x-18

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Solution for 168-3x=42x-18 equation:


Simplifying
168 + -3x = 42x + -18

Reorder the terms:
168 + -3x = -18 + 42x

Solving
168 + -3x = -18 + 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.
168 + -3x + -42x = -18 + 42x + -42x

Combine like terms: -3x + -42x = -45x
168 + -45x = -18 + 42x + -42x

Combine like terms: 42x + -42x = 0
168 + -45x = -18 + 0
168 + -45x = -18

Add '-168' to each side of the equation.
168 + -168 + -45x = -18 + -168

Combine like terms: 168 + -168 = 0
0 + -45x = -18 + -168
-45x = -18 + -168

Combine like terms: -18 + -168 = -186
-45x = -186

Divide each side by '-45'.
x = 4.133333333

Simplifying
x = 4.133333333

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