28=3x+2(-x+9)

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Solution for 28=3x+2(-x+9) equation:


Simplifying
28 = 3x + 2(-1x + 9)

Reorder the terms:
28 = 3x + 2(9 + -1x)
28 = 3x + (9 * 2 + -1x * 2)
28 = 3x + (18 + -2x)

Reorder the terms:
28 = 18 + 3x + -2x

Combine like terms: 3x + -2x = 1x
28 = 18 + 1x

Solving
28 = 18 + 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 = 18 + 1x + -1x

Combine like terms: 1x + -1x = 0
28 + -1x = 18 + 0
28 + -1x = 18

Add '-28' to each side of the equation.
28 + -28 + -1x = 18 + -28

Combine like terms: 28 + -28 = 0
0 + -1x = 18 + -28
-1x = 18 + -28

Combine like terms: 18 + -28 = -10
-1x = -10

Divide each side by '-1'.
x = 10

Simplifying
x = 10

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