-7(3+y)=4(2y+6)

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Solution for -7(3+y)=4(2y+6) equation:


Simplifying
-7(3 + y) = 4(2y + 6)
(3 * -7 + y * -7) = 4(2y + 6)
(-21 + -7y) = 4(2y + 6)

Reorder the terms:
-21 + -7y = 4(6 + 2y)
-21 + -7y = (6 * 4 + 2y * 4)
-21 + -7y = (24 + 8y)

Solving
-21 + -7y = 24 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-21 + -7y + -8y = 24 + 8y + -8y

Combine like terms: -7y + -8y = -15y
-21 + -15y = 24 + 8y + -8y

Combine like terms: 8y + -8y = 0
-21 + -15y = 24 + 0
-21 + -15y = 24

Add '21' to each side of the equation.
-21 + 21 + -15y = 24 + 21

Combine like terms: -21 + 21 = 0
0 + -15y = 24 + 21
-15y = 24 + 21

Combine like terms: 24 + 21 = 45
-15y = 45

Divide each side by '-15'.
y = -3

Simplifying
y = -3

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