8y-15y=-21-28

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Solution for 8y-15y=-21-28 equation: 


Simplifying
8y + -15y = -21 + -28

Combine like terms: 8y + -15y = -7y
-7y = -21 + -28

Combine like terms: -21 + -28 = -49
-7y = -49

Solving
-7y = -49

Solving for variable 'y'.

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

Divide each side by '-7'.
y = 7

Simplifying
y = 7

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