15x+5+8x-2+42=180

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Solution for 15x+5+8x-2+42=180 equation:


Simplifying
15x + 5 + 8x + -2 + 42 = 180

Reorder the terms:
5 + -2 + 42 + 15x + 8x = 180

Combine like terms: 5 + -2 = 3
3 + 42 + 15x + 8x = 180

Combine like terms: 3 + 42 = 45
45 + 15x + 8x = 180

Combine like terms: 15x + 8x = 23x
45 + 23x = 180

Solving
45 + 23x = 180

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 23x = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 23x = 180 + -45
23x = 180 + -45

Combine like terms: 180 + -45 = 135
23x = 135

Divide each side by '23'.
x = 5.869565217

Simplifying
x = 5.869565217

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