-5x+2(-x+9)=31

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Solution for -5x+2(-x+9)=31 equation:


Simplifying
-5x + 2(-1x + 9) = 31

Reorder the terms:
-5x + 2(9 + -1x) = 31
-5x + (9 * 2 + -1x * 2) = 31
-5x + (18 + -2x) = 31

Reorder the terms:
18 + -5x + -2x = 31

Combine like terms: -5x + -2x = -7x
18 + -7x = 31

Solving
18 + -7x = 31

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -7x = 31 + -18

Combine like terms: 18 + -18 = 0
0 + -7x = 31 + -18
-7x = 31 + -18

Combine like terms: 31 + -18 = 13
-7x = 13

Divide each side by '-7'.
x = -1.857142857

Simplifying
x = -1.857142857

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