-3(7+10x)-8(-x-4)=99

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Solution for -3(7+10x)-8(-x-4)=99 equation:


Simplifying
-3(7 + 10x) + -8(-1x + -4) = 99
(7 * -3 + 10x * -3) + -8(-1x + -4) = 99
(-21 + -30x) + -8(-1x + -4) = 99

Reorder the terms:
-21 + -30x + -8(-4 + -1x) = 99
-21 + -30x + (-4 * -8 + -1x * -8) = 99
-21 + -30x + (32 + 8x) = 99

Reorder the terms:
-21 + 32 + -30x + 8x = 99

Combine like terms: -21 + 32 = 11
11 + -30x + 8x = 99

Combine like terms: -30x + 8x = -22x
11 + -22x = 99

Solving
11 + -22x = 99

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -22x = 99 + -11

Combine like terms: 11 + -11 = 0
0 + -22x = 99 + -11
-22x = 99 + -11

Combine like terms: 99 + -11 = 88
-22x = 88

Divide each side by '-22'.
x = -4

Simplifying
x = -4

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