4x-3-8x+12=-20

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Solution for 4x-3-8x+12=-20 equation:


Simplifying
4x + -3 + -8x + 12 = -20

Reorder the terms:
-3 + 12 + 4x + -8x = -20

Combine like terms: -3 + 12 = 9
9 + 4x + -8x = -20

Combine like terms: 4x + -8x = -4x
9 + -4x = -20

Solving
9 + -4x = -20

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -4x = -20 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = -20 + -9
-4x = -20 + -9

Combine like terms: -20 + -9 = -29
-4x = -29

Divide each side by '-4'.
x = 7.25

Simplifying
x = 7.25

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