3x-28+7=-36

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Solution for 3x-28+7=-36 equation:


Simplifying
3x + -28 + 7 = -36

Reorder the terms:
-28 + 7 + 3x = -36

Combine like terms: -28 + 7 = -21
-21 + 3x = -36

Solving
-21 + 3x = -36

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = -36 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = -36 + 21
3x = -36 + 21

Combine like terms: -36 + 21 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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