7y-2+4+3y=-20

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Solution for 7y-2+4+3y=-20 equation:


Simplifying
7y + -2 + 4 + 3y = -20

Reorder the terms:
-2 + 4 + 7y + 3y = -20

Combine like terms: -2 + 4 = 2
2 + 7y + 3y = -20

Combine like terms: 7y + 3y = 10y
2 + 10y = -20

Solving
2 + 10y = -20

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 10y = -20 + -2

Combine like terms: 2 + -2 = 0
0 + 10y = -20 + -2
10y = -20 + -2

Combine like terms: -20 + -2 = -22
10y = -22

Divide each side by '10'.
y = -2.2

Simplifying
y = -2.2

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