28-x+8x+15+42-2x=

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Solution for 28-x+8x+15+42-2x= equation: 


Simplifying
28 + -1x + 8x + 15 + 42 + -2x = 0

Reorder the terms:
28 + 15 + 42 + -1x + 8x + -2x = 0

Combine like terms: 28 + 15 = 43
43 + 42 + -1x + 8x + -2x = 0

Combine like terms: 43 + 42 = 85
85 + -1x + 8x + -2x = 0

Combine like terms: -1x + 8x = 7x
85 + 7x + -2x = 0

Combine like terms: 7x + -2x = 5x
85 + 5x = 0

Solving
85 + 5x = 0

Solving for variable 'x'.

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

Add '-85' to each side of the equation.
85 + -85 + 5x = 0 + -85

Combine like terms: 85 + -85 = 0
0 + 5x = 0 + -85
5x = 0 + -85

Combine like terms: 0 + -85 = -85
5x = -85

Divide each side by '5'.
x = -17

Simplifying
x = -17

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