42x-18=84

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Solution for 42x-18=84 equation:


Simplifying
42x + -18 = 84

Reorder the terms:
-18 + 42x = 84

Solving
-18 + 42x = 84

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 42x = 84 + 18

Combine like terms: -18 + 18 = 0
0 + 42x = 84 + 18
42x = 84 + 18

Combine like terms: 84 + 18 = 102
42x = 102

Divide each side by '42'.
x = 2.428571429

Simplifying
x = 2.428571429

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