4x+4(x-9)=28

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Solution for 4x+4(x-9)=28 equation:


Simplifying
4x + 4(x + -9) = 28

Reorder the terms:
4x + 4(-9 + x) = 28
4x + (-9 * 4 + x * 4) = 28
4x + (-36 + 4x) = 28

Reorder the terms:
-36 + 4x + 4x = 28

Combine like terms: 4x + 4x = 8x
-36 + 8x = 28

Solving
-36 + 8x = 28

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 + 8x = 28 + 36

Combine like terms: -36 + 36 = 0
0 + 8x = 28 + 36
8x = 28 + 36

Combine like terms: 28 + 36 = 64
8x = 64

Divide each side by '8'.
x = 8

Simplifying
x = 8

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