7(3-y)=-3y+5

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


Simplifying
7(3 + -1y) = -3y + 5
(3 * 7 + -1y * 7) = -3y + 5
(21 + -7y) = -3y + 5

Reorder the terms:
21 + -7y = 5 + -3y

Solving
21 + -7y = 5 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
21 + -7y + 3y = 5 + -3y + 3y

Combine like terms: -7y + 3y = -4y
21 + -4y = 5 + -3y + 3y

Combine like terms: -3y + 3y = 0
21 + -4y = 5 + 0
21 + -4y = 5

Add '-21' to each side of the equation.
21 + -21 + -4y = 5 + -21

Combine like terms: 21 + -21 = 0
0 + -4y = 5 + -21
-4y = 5 + -21

Combine like terms: 5 + -21 = -16
-4y = -16

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

Simplifying
y = 4

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