28=8x+12-(7x)

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Solution for 28=8x+12-(7x) equation:


Simplifying
28 = 8x + 12 + -1(7x)

Remove parenthesis around (7x)
28 = 8x + 12 + -1 * 7x

Multiply -1 * 7
28 = 8x + 12 + -7x

Reorder the terms:
28 = 12 + 8x + -7x

Combine like terms: 8x + -7x = 1x
28 = 12 + 1x

Solving
28 = 12 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
28 + -1x = 12 + 1x + -1x

Combine like terms: 1x + -1x = 0
28 + -1x = 12 + 0
28 + -1x = 12

Add '-28' to each side of the equation.
28 + -28 + -1x = 12 + -28

Combine like terms: 28 + -28 = 0
0 + -1x = 12 + -28
-1x = 12 + -28

Combine like terms: 12 + -28 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

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