-4(y-3)+7+5y=21

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Solution for -4(y-3)+7+5y=21 equation:


Simplifying
-4(y + -3) + 7 + 5y = 21

Reorder the terms:
-4(-3 + y) + 7 + 5y = 21
(-3 * -4 + y * -4) + 7 + 5y = 21
(12 + -4y) + 7 + 5y = 21

Reorder the terms:
12 + 7 + -4y + 5y = 21

Combine like terms: 12 + 7 = 19
19 + -4y + 5y = 21

Combine like terms: -4y + 5y = 1y
19 + 1y = 21

Solving
19 + 1y = 21

Solving for variable 'y'.

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

Add '-19' to each side of the equation.
19 + -19 + 1y = 21 + -19

Combine like terms: 19 + -19 = 0
0 + 1y = 21 + -19
1y = 21 + -19

Combine like terms: 21 + -19 = 2
1y = 2

Divide each side by '1'.
y = 2

Simplifying
y = 2

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