5(-2)-3y=21

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Solution for 5(-2)-3y=21 equation: 


Simplifying
5(-2) + -3y = 21

Multiply 5 * -2
-10 + -3y = 21

Solving
-10 + -3y = 21

Solving for variable 'y'.

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

Add '10' to each side of the equation.
-10 + 10 + -3y = 21 + 10

Combine like terms: -10 + 10 = 0
0 + -3y = 21 + 10
-3y = 21 + 10

Combine like terms: 21 + 10 = 31
-3y = 31

Divide each side by '-3'.
y = -10.33333333

Simplifying
y = -10.33333333

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