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

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


Simplifying
3(y + 4) + 7(y + -5) + 2 = 0

Reorder the terms:
3(4 + y) + 7(y + -5) + 2 = 0
(4 * 3 + y * 3) + 7(y + -5) + 2 = 0
(12 + 3y) + 7(y + -5) + 2 = 0

Reorder the terms:
12 + 3y + 7(-5 + y) + 2 = 0
12 + 3y + (-5 * 7 + y * 7) + 2 = 0
12 + 3y + (-35 + 7y) + 2 = 0

Reorder the terms:
12 + -35 + 2 + 3y + 7y = 0

Combine like terms: 12 + -35 = -23
-23 + 2 + 3y + 7y = 0

Combine like terms: -23 + 2 = -21
-21 + 3y + 7y = 0

Combine like terms: 3y + 7y = 10y
-21 + 10y = 0

Solving
-21 + 10y = 0

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 10y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 10y = 0 + 21
10y = 0 + 21

Combine like terms: 0 + 21 = 21
10y = 21

Divide each side by '10'.
y = 2.1

Simplifying
y = 2.1

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