-5y+7(4y-3)=-2+7(9-y)

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Solution for -5y+7(4y-3)=-2+7(9-y) equation:


Simplifying
-5y + 7(4y + -3) = -2 + 7(9 + -1y)

Reorder the terms:
-5y + 7(-3 + 4y) = -2 + 7(9 + -1y)
-5y + (-3 * 7 + 4y * 7) = -2 + 7(9 + -1y)
-5y + (-21 + 28y) = -2 + 7(9 + -1y)

Reorder the terms:
-21 + -5y + 28y = -2 + 7(9 + -1y)

Combine like terms: -5y + 28y = 23y
-21 + 23y = -2 + 7(9 + -1y)
-21 + 23y = -2 + (9 * 7 + -1y * 7)
-21 + 23y = -2 + (63 + -7y)

Combine like terms: -2 + 63 = 61
-21 + 23y = 61 + -7y

Solving
-21 + 23y = 61 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-21 + 23y + 7y = 61 + -7y + 7y

Combine like terms: 23y + 7y = 30y
-21 + 30y = 61 + -7y + 7y

Combine like terms: -7y + 7y = 0
-21 + 30y = 61 + 0
-21 + 30y = 61

Add '21' to each side of the equation.
-21 + 21 + 30y = 61 + 21

Combine like terms: -21 + 21 = 0
0 + 30y = 61 + 21
30y = 61 + 21

Combine like terms: 61 + 21 = 82
30y = 82

Divide each side by '30'.
y = 2.733333333

Simplifying
y = 2.733333333

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