3(15+3y)+4y=-7

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Solution for 3(15+3y)+4y=-7 equation:


Simplifying
3(15 + 3y) + 4y = -7
(15 * 3 + 3y * 3) + 4y = -7
(45 + 9y) + 4y = -7

Combine like terms: 9y + 4y = 13y
45 + 13y = -7

Solving
45 + 13y = -7

Solving for variable 'y'.

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

Add '-45' to each side of the equation.
45 + -45 + 13y = -7 + -45

Combine like terms: 45 + -45 = 0
0 + 13y = -7 + -45
13y = -7 + -45

Combine like terms: -7 + -45 = -52
13y = -52

Divide each side by '13'.
y = -4

Simplifying
y = -4

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