2x+20-4x-2=90

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Solution for 2x+20-4x-2=90 equation:


Simplifying
2x + 20 + -4x + -2 = 90

Reorder the terms:
20 + -2 + 2x + -4x = 90

Combine like terms: 20 + -2 = 18
18 + 2x + -4x = 90

Combine like terms: 2x + -4x = -2x
18 + -2x = 90

Solving
18 + -2x = 90

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 + -2x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + -2x = 90 + -18
-2x = 90 + -18

Combine like terms: 90 + -18 = 72
-2x = 72

Divide each side by '-2'.
x = -36

Simplifying
x = -36

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