(9x-8)-(x+4)=0

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Solution for (9x-8)-(x+4)=0 equation:


Simplifying
(9x + -8) + -1(x + 4) = 0

Reorder the terms:
(-8 + 9x) + -1(x + 4) = 0

Remove parenthesis around (-8 + 9x)
-8 + 9x + -1(x + 4) = 0

Reorder the terms:
-8 + 9x + -1(4 + x) = 0
-8 + 9x + (4 * -1 + x * -1) = 0
-8 + 9x + (-4 + -1x) = 0

Reorder the terms:
-8 + -4 + 9x + -1x = 0

Combine like terms: -8 + -4 = -12
-12 + 9x + -1x = 0

Combine like terms: 9x + -1x = 8x
-12 + 8x = 0

Solving
-12 + 8x = 0

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 8x = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 8x = 0 + 12
8x = 0 + 12

Combine like terms: 0 + 12 = 12
8x = 12

Divide each side by '8'.
x = 1.5

Simplifying
x = 1.5

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