(x-7)*3=9

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


Simplifying
(x + -7) * 3 = 9

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

Reorder the terms for easier multiplication:
3(-7 + x) = 9
(-7 * 3 + x * 3) = 9
(-21 + 3x) = 9

Solving
-21 + 3x = 9

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 = 9 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 9 + 21
3x = 9 + 21

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

Divide each side by '3'.
x = 10

Simplifying
x = 10

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