10x+7=8(2x-4)-9

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Solution for 10x+7=8(2x-4)-9 equation:


Simplifying
10x + 7 = 8(2x + -4) + -9

Reorder the terms:
7 + 10x = 8(2x + -4) + -9

Reorder the terms:
7 + 10x = 8(-4 + 2x) + -9
7 + 10x = (-4 * 8 + 2x * 8) + -9
7 + 10x = (-32 + 16x) + -9

Reorder the terms:
7 + 10x = -32 + -9 + 16x

Combine like terms: -32 + -9 = -41
7 + 10x = -41 + 16x

Solving
7 + 10x = -41 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
7 + 10x + -16x = -41 + 16x + -16x

Combine like terms: 10x + -16x = -6x
7 + -6x = -41 + 16x + -16x

Combine like terms: 16x + -16x = 0
7 + -6x = -41 + 0
7 + -6x = -41

Add '-7' to each side of the equation.
7 + -7 + -6x = -41 + -7

Combine like terms: 7 + -7 = 0
0 + -6x = -41 + -7
-6x = -41 + -7

Combine like terms: -41 + -7 = -48
-6x = -48

Divide each side by '-6'.
x = 8

Simplifying
x = 8

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