3(8)+y=-21

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Solution for 3(8)+y=-21 equation: 


Simplifying
3(8) + y = -21

Multiply 3 * 8
24 + y = -21

Solving
24 + y = -21

Solving for variable 'y'.

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

Add '-24' to each side of the equation.
24 + -24 + y = -21 + -24

Combine like terms: 24 + -24 = 0
0 + y = -21 + -24
y = -21 + -24

Combine like terms: -21 + -24 = -45
y = -45

Simplifying
y = -45

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