18-3x-5x+8=42

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Solution for 18-3x-5x+8=42 equation:


Simplifying
18 + -3x + -5x + 8 = 42

Reorder the terms:
18 + 8 + -3x + -5x = 42

Combine like terms: 18 + 8 = 26
26 + -3x + -5x = 42

Combine like terms: -3x + -5x = -8x
26 + -8x = 42

Solving
26 + -8x = 42

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + -8x = 42 + -26

Combine like terms: 26 + -26 = 0
0 + -8x = 42 + -26
-8x = 42 + -26

Combine like terms: 42 + -26 = 16
-8x = 16

Divide each side by '-8'.
x = -2

Simplifying
x = -2

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