-28=9+3(x+7)

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Solution for -28=9+3(x+7) equation:


Simplifying
-28 = 9 + 3(x + 7)

Reorder the terms:
-28 = 9 + 3(7 + x)
-28 = 9 + (7 * 3 + x * 3)
-28 = 9 + (21 + 3x)

Combine like terms: 9 + 21 = 30
-28 = 30 + 3x

Solving
-28 = 30 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-28 + -3x = 30 + 3x + -3x

Combine like terms: 3x + -3x = 0
-28 + -3x = 30 + 0
-28 + -3x = 30

Add '28' to each side of the equation.
-28 + 28 + -3x = 30 + 28

Combine like terms: -28 + 28 = 0
0 + -3x = 30 + 28
-3x = 30 + 28

Combine like terms: 30 + 28 = 58
-3x = 58

Divide each side by '-3'.
x = -19.33333333

Simplifying
x = -19.33333333

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