9(x-4)=7x-28

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Solution for 9(x-4)=7x-28 equation:


Simplifying
9(x + -4) = 7x + -28

Reorder the terms:
9(-4 + x) = 7x + -28
(-4 * 9 + x * 9) = 7x + -28
(-36 + 9x) = 7x + -28

Reorder the terms:
-36 + 9x = -28 + 7x

Solving
-36 + 9x = -28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-36 + 9x + -7x = -28 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-36 + 2x = -28 + 7x + -7x

Combine like terms: 7x + -7x = 0
-36 + 2x = -28 + 0
-36 + 2x = -28

Add '36' to each side of the equation.
-36 + 36 + 2x = -28 + 36

Combine like terms: -36 + 36 = 0
0 + 2x = -28 + 36
2x = -28 + 36

Combine like terms: -28 + 36 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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