10x+10x=4x-9+4x-9

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Solution for 10x+10x=4x-9+4x-9 equation:


Simplifying
10x + 10x = 4x + -9 + 4x + -9

Combine like terms: 10x + 10x = 20x
20x = 4x + -9 + 4x + -9

Reorder the terms:
20x = -9 + -9 + 4x + 4x

Combine like terms: -9 + -9 = -18
20x = -18 + 4x + 4x

Combine like terms: 4x + 4x = 8x
20x = -18 + 8x

Solving
20x = -18 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
20x + -8x = -18 + 8x + -8x

Combine like terms: 20x + -8x = 12x
12x = -18 + 8x + -8x

Combine like terms: 8x + -8x = 0
12x = -18 + 0
12x = -18

Divide each side by '12'.
x = -1.5

Simplifying
x = -1.5

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