7x+5-X+8=31

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Solution for 7x+5-X+8=31 equation:


Simplifying
7x + 5 + -1X + 8 = 31

Reorder the terms:
5 + 8 + -1X + 7x = 31

Combine like terms: 5 + 8 = 13
13 + -1X + 7x = 31

Solving
13 + -1X + 7x = 31

Solving for variable 'X'.

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

Add '-13' to each side of the equation.
13 + -1X + -13 + 7x = 31 + -13

Reorder the terms:
13 + -13 + -1X + 7x = 31 + -13

Combine like terms: 13 + -13 = 0
0 + -1X + 7x = 31 + -13
-1X + 7x = 31 + -13

Combine like terms: 31 + -13 = 18
-1X + 7x = 18

Add '-7x' to each side of the equation.
-1X + 7x + -7x = 18 + -7x

Combine like terms: 7x + -7x = 0
-1X + 0 = 18 + -7x
-1X = 18 + -7x

Divide each side by '-1'.
X = -18 + 7x

Simplifying
X = -18 + 7x

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