(2-y)-7y=-20

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Solution for (2-y)-7y=-20 equation:


Simplifying
(2 + -1y) + -7y = -20

Remove parenthesis around (2 + -1y)
2 + -1y + -7y = -20

Combine like terms: -1y + -7y = -8y
2 + -8y = -20

Solving
2 + -8y = -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 + -8y = -20 + -2

Combine like terms: 2 + -2 = 0
0 + -8y = -20 + -2
-8y = -20 + -2

Combine like terms: -20 + -2 = -22
-8y = -22

Divide each side by '-8'.
y = 2.75

Simplifying
y = 2.75

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