7(2y-1)+3y=-3(y+2)15

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Solution for 7(2y-1)+3y=-3(y+2)15 equation:


Simplifying
7(2y + -1) + 3y = -3(y + 2) * 15

Reorder the terms:
7(-1 + 2y) + 3y = -3(y + 2) * 15
(-1 * 7 + 2y * 7) + 3y = -3(y + 2) * 15
(-7 + 14y) + 3y = -3(y + 2) * 15

Combine like terms: 14y + 3y = 17y
-7 + 17y = -3(y + 2) * 15

Reorder the terms:
-7 + 17y = -3(2 + y) * 15

Reorder the terms for easier multiplication:
-7 + 17y = -3 * 15(2 + y)

Multiply -3 * 15
-7 + 17y = -45(2 + y)
-7 + 17y = (2 * -45 + y * -45)
-7 + 17y = (-90 + -45y)

Solving
-7 + 17y = -90 + -45y

Solving for variable 'y'.

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

Add '45y' to each side of the equation.
-7 + 17y + 45y = -90 + -45y + 45y

Combine like terms: 17y + 45y = 62y
-7 + 62y = -90 + -45y + 45y

Combine like terms: -45y + 45y = 0
-7 + 62y = -90 + 0
-7 + 62y = -90

Add '7' to each side of the equation.
-7 + 7 + 62y = -90 + 7

Combine like terms: -7 + 7 = 0
0 + 62y = -90 + 7
62y = -90 + 7

Combine like terms: -90 + 7 = -83
62y = -83

Divide each side by '62'.
y = -1.338709677

Simplifying
y = -1.338709677

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