-2x+8-5x+9=20

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Solution for -2x+8-5x+9=20 equation:


Simplifying
-2x + 8 + -5x + 9 = 20

Reorder the terms:
8 + 9 + -2x + -5x = 20

Combine like terms: 8 + 9 = 17
17 + -2x + -5x = 20

Combine like terms: -2x + -5x = -7x
17 + -7x = 20

Solving
17 + -7x = 20

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + -7x = 20 + -17

Combine like terms: 17 + -17 = 0
0 + -7x = 20 + -17
-7x = 20 + -17

Combine like terms: 20 + -17 = 3
-7x = 3

Divide each side by '-7'.
x = -0.4285714286

Simplifying
x = -0.4285714286

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