7(-3)+3y=30

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Solution for 7(-3)+3y=30 equation: 


Simplifying
7(-3) + 3y = 30

Multiply 7 * -3
-21 + 3y = 30

Solving
-21 + 3y = 30

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 = 30 + 21

Combine like terms: -21 + 21 = 0
0 + 3y = 30 + 21
3y = 30 + 21

Combine like terms: 30 + 21 = 51
3y = 51

Divide each side by '3'.
y = 17

Simplifying
y = 17

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