3(7)+5y=15

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Solution for 3(7)+5y=15 equation:


Simplifying
3(7) + 5y = 15

Multiply 3 * 7
21 + 5y = 15

Solving
21 + 5y = 15

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 5y = 15 + -21

Combine like terms: 21 + -21 = 0
0 + 5y = 15 + -21
5y = 15 + -21

Combine like terms: 15 + -21 = -6
5y = -6

Divide each side by '5'.
y = -1.2

Simplifying
y = -1.2

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