8x+4(x-9)=54

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Solution for 8x+4(x-9)=54 equation:


Simplifying
8x + 4(x + -9) = 54

Reorder the terms:
8x + 4(-9 + x) = 54
8x + (-9 * 4 + x * 4) = 54
8x + (-36 + 4x) = 54

Reorder the terms:
-36 + 8x + 4x = 54

Combine like terms: 8x + 4x = 12x
-36 + 12x = 54

Solving
-36 + 12x = 54

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 12x = 54 + 36

Combine like terms: -36 + 36 = 0
0 + 12x = 54 + 36
12x = 54 + 36

Combine like terms: 54 + 36 = 90
12x = 90

Divide each side by '12'.
x = 7.5

Simplifying
x = 7.5

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