8x-9=4(x-1)

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Solution for 8x-9=4(x-1) equation:


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

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

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

Solving
-9 + 8x = -4 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-9 + 8x + -4x = -4 + 4x + -4x

Combine like terms: 8x + -4x = 4x
-9 + 4x = -4 + 4x + -4x

Combine like terms: 4x + -4x = 0
-9 + 4x = -4 + 0
-9 + 4x = -4

Add '9' to each side of the equation.
-9 + 9 + 4x = -4 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = -4 + 9
4x = -4 + 9

Combine like terms: -4 + 9 = 5
4x = 5

Divide each side by '4'.
x = 1.25

Simplifying
x = 1.25

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