7-2(4-3x)+8x+(x+31)=0

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Solution for 7-2(4-3x)+8x+(x+31)=0 equation:


Simplifying
7 + -2(4 + -3x) + 8x + (x + 31) = 0
7 + (4 * -2 + -3x * -2) + 8x + (x + 31) = 0
7 + (-8 + 6x) + 8x + (x + 31) = 0

Reorder the terms:
7 + -8 + 6x + 8x + (31 + x) = 0

Remove parenthesis around (31 + x)
7 + -8 + 6x + 8x + 31 + x = 0

Reorder the terms:
7 + -8 + 31 + 6x + 8x + x = 0

Combine like terms: 7 + -8 = -1
-1 + 31 + 6x + 8x + x = 0

Combine like terms: -1 + 31 = 30
30 + 6x + 8x + x = 0

Combine like terms: 6x + 8x = 14x
30 + 14x + x = 0

Combine like terms: 14x + x = 15x
30 + 15x = 0

Solving
30 + 15x = 0

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 15x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 15x = 0 + -30
15x = 0 + -30

Combine like terms: 0 + -30 = -30
15x = -30

Divide each side by '15'.
x = -2

Simplifying
x = -2

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