(7-x)*3=

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


Simplifying
(7 + -1x) * 3 = 0

Reorder the terms for easier multiplication:
3(7 + -1x) = 0
(7 * 3 + -1x * 3) = 0
(21 + -3x) = 0

Solving
21 + -3x = 0

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 = 0 + -21

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

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

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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