-7(3)+3y=-9

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Solution for -7(3)+3y=-9 equation: 


Simplifying
-7(3) + 3y = -9

Multiply -7 * 3
-21 + 3y = -9

Solving
-21 + 3y = -9

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 + 3y = -9 + 21

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

Combine like terms: -9 + 21 = 12
3y = 12

Divide each side by '3'.
y = 4

Simplifying
y = 4

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