3(10-7x)=72

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Solution for 3(10-7x)=72 equation: 


Simplifying
3(10 + -7x) = 72
(10 * 3 + -7x * 3) = 72
(30 + -21x) = 72

Solving
30 + -21x = 72

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -21x = 72 + -30

Combine like terms: 30 + -30 = 0
0 + -21x = 72 + -30
-21x = 72 + -30

Combine like terms: 72 + -30 = 42
-21x = 42

Divide each side by '-21'.
x = -2

Simplifying
x = -2

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