7(y-5)=21

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Solution for 7(y-5)=21 equation: 


Simplifying
7(y + -5) = 21

Reorder the terms:
7(-5 + y) = 21
(-5 * 7 + y * 7) = 21
(-35 + 7y) = 21

Solving
-35 + 7y = 21

Solving for variable 'y'.

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

Add '35' to each side of the equation.
-35 + 35 + 7y = 21 + 35

Combine like terms: -35 + 35 = 0
0 + 7y = 21 + 35
7y = 21 + 35

Combine like terms: 21 + 35 = 56
7y = 56

Divide each side by '7'.
y = 8

Simplifying
y = 8

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