-3(20-y)-10y=3-7(11-y)

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Solution for -3(20-y)-10y=3-7(11-y) equation:


Simplifying
-3(20 + -1y) + -10y = 3 + -7(11 + -1y)
(20 * -3 + -1y * -3) + -10y = 3 + -7(11 + -1y)
(-60 + 3y) + -10y = 3 + -7(11 + -1y)

Combine like terms: 3y + -10y = -7y
-60 + -7y = 3 + -7(11 + -1y)
-60 + -7y = 3 + (11 * -7 + -1y * -7)
-60 + -7y = 3 + (-77 + 7y)

Combine like terms: 3 + -77 = -74
-60 + -7y = -74 + 7y

Solving
-60 + -7y = -74 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-60 + -7y + -7y = -74 + 7y + -7y

Combine like terms: -7y + -7y = -14y
-60 + -14y = -74 + 7y + -7y

Combine like terms: 7y + -7y = 0
-60 + -14y = -74 + 0
-60 + -14y = -74

Add '60' to each side of the equation.
-60 + 60 + -14y = -74 + 60

Combine like terms: -60 + 60 = 0
0 + -14y = -74 + 60
-14y = -74 + 60

Combine like terms: -74 + 60 = -14
-14y = -14

Divide each side by '-14'.
y = 1

Simplifying
y = 1

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