7x-8(2x+9)=112

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Solution for 7x-8(2x+9)=112 equation:


Simplifying
7x + -8(2x + 9) = 112

Reorder the terms:
7x + -8(9 + 2x) = 112
7x + (9 * -8 + 2x * -8) = 112
7x + (-72 + -16x) = 112

Reorder the terms:
-72 + 7x + -16x = 112

Combine like terms: 7x + -16x = -9x
-72 + -9x = 112

Solving
-72 + -9x = 112

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 72 + -9x = 112 + 72

Combine like terms: -72 + 72 = 0
0 + -9x = 112 + 72
-9x = 112 + 72

Combine like terms: 112 + 72 = 184
-9x = 184

Divide each side by '-9'.
x = -20.44444444

Simplifying
x = -20.44444444

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