8x-4=4(x+9)

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


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

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

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

Solving
-4 + 8x = 36 + 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.
-4 + 8x + -4x = 36 + 4x + -4x

Combine like terms: 8x + -4x = 4x
-4 + 4x = 36 + 4x + -4x

Combine like terms: 4x + -4x = 0
-4 + 4x = 36 + 0
-4 + 4x = 36

Add '4' to each side of the equation.
-4 + 4 + 4x = 36 + 4

Combine like terms: -4 + 4 = 0
0 + 4x = 36 + 4
4x = 36 + 4

Combine like terms: 36 + 4 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

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