3(3-y)71=31

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Solution for 3(3-y)71=31 equation:


Simplifying
3(3 + -1y) * 71 = 31

Reorder the terms for easier multiplication:
3 * 71(3 + -1y) = 31

Multiply 3 * 71
213(3 + -1y) = 31
(3 * 213 + -1y * 213) = 31
(639 + -213y) = 31

Solving
639 + -213y = 31

Solving for variable 'y'.

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

Add '-639' to each side of the equation.
639 + -639 + -213y = 31 + -639

Combine like terms: 639 + -639 = 0
0 + -213y = 31 + -639
-213y = 31 + -639

Combine like terms: 31 + -639 = -608
-213y = -608

Divide each side by '-213'.
y = 2.854460094

Simplifying
y = 2.854460094

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