3(25)+5y=21

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Solution for 3(25)+5y=21 equation: 


Simplifying
3(25) + 5y = 21

Multiply 3 * 25
75 + 5y = 21

Solving
75 + 5y = 21

Solving for variable 'y'.

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

Add '-75' to each side of the equation.
75 + -75 + 5y = 21 + -75

Combine like terms: 75 + -75 = 0
0 + 5y = 21 + -75
5y = 21 + -75

Combine like terms: 21 + -75 = -54
5y = -54

Divide each side by '5'.
y = -10.8

Simplifying
y = -10.8

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