7y+3(-7)=-21

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Solution for 7y+3(-7)=-21 equation: 


Simplifying
7y + 3(-7) = -21

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

Reorder the terms:
-21 + 7y = -21

Add '21' to each side of the equation.
-21 + 21 + 7y = -21 + 21

Combine like terms: -21 + 21 = 0
0 + 7y = -21 + 21
7y = -21 + 21

Combine like terms: -21 + 21 = 0
7y = 0

Solving
7y = 0

Solving for variable 'y'.

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

Divide each side by '7'.
y = 0

Simplifying
y = 0

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