4x+8x-20+40=90

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Solution for 4x+8x-20+40=90 equation:


Simplifying
4x + 8x + -20 + 40 = 90

Reorder the terms:
-20 + 40 + 4x + 8x = 90

Combine like terms: -20 + 40 = 20
20 + 4x + 8x = 90

Combine like terms: 4x + 8x = 12x
20 + 12x = 90

Solving
20 + 12x = 90

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 12x = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 12x = 90 + -20
12x = 90 + -20

Combine like terms: 90 + -20 = 70
12x = 70

Divide each side by '12'.
x = 5.833333333

Simplifying
x = 5.833333333

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