3(5y-7)=-81

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Solution for 3(5y-7)=-81 equation:


Simplifying
3(5y + -7) = -81

Reorder the terms:
3(-7 + 5y) = -81
(-7 * 3 + 5y * 3) = -81
(-21 + 15y) = -81

Solving
-21 + 15y = -81

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 15y = -81 + 21

Combine like terms: -21 + 21 = 0
0 + 15y = -81 + 21
15y = -81 + 21

Combine like terms: -81 + 21 = -60
15y = -60

Divide each side by '15'.
y = -4

Simplifying
y = -4

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