3x+15+42=168

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Solution for 3x+15+42=168 equation:


Simplifying
3x + 15 + 42 = 168

Reorder the terms:
15 + 42 + 3x = 168

Combine like terms: 15 + 42 = 57
57 + 3x = 168

Solving
57 + 3x = 168

Solving for variable 'x'.

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

Add '-57' to each side of the equation.
57 + -57 + 3x = 168 + -57

Combine like terms: 57 + -57 = 0
0 + 3x = 168 + -57
3x = 168 + -57

Combine like terms: 168 + -57 = 111
3x = 111

Divide each side by '3'.
x = 37

Simplifying
x = 37

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