8(x+4)=9(x-4)

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


Simplifying
8(x + 4) = 9(x + -4)

Reorder the terms:
8(4 + x) = 9(x + -4)
(4 * 8 + x * 8) = 9(x + -4)
(32 + 8x) = 9(x + -4)

Reorder the terms:
32 + 8x = 9(-4 + x)
32 + 8x = (-4 * 9 + x * 9)
32 + 8x = (-36 + 9x)

Solving
32 + 8x = -36 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
32 + 8x + -9x = -36 + 9x + -9x

Combine like terms: 8x + -9x = -1x
32 + -1x = -36 + 9x + -9x

Combine like terms: 9x + -9x = 0
32 + -1x = -36 + 0
32 + -1x = -36

Add '-32' to each side of the equation.
32 + -32 + -1x = -36 + -32

Combine like terms: 32 + -32 = 0
0 + -1x = -36 + -32
-1x = -36 + -32

Combine like terms: -36 + -32 = -68
-1x = -68

Divide each side by '-1'.
x = 68

Simplifying
x = 68

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