3x-4-5x=-20

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Solution for 3x-4-5x=-20 equation:


Simplifying
3x + -4 + -5x = -20

Reorder the terms:
-4 + 3x + -5x = -20

Combine like terms: 3x + -5x = -2x
-4 + -2x = -20

Solving
-4 + -2x = -20

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -2x = -20 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = -20 + 4
-2x = -20 + 4

Combine like terms: -20 + 4 = -16
-2x = -16

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

Simplifying
x = 8

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