4y-(1y-3)=-20

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Solution for 4y-(1y-3)=-20 equation:


Simplifying
4y + -1(1y + -3) = -20

Reorder the terms:
4y + -1(-3 + 1y) = -20
4y + (-3 * -1 + 1y * -1) = -20
4y + (3 + -1y) = -20

Reorder the terms:
3 + 4y + -1y = -20

Combine like terms: 4y + -1y = 3y
3 + 3y = -20

Solving
3 + 3y = -20

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 3y = -20 + -3

Combine like terms: 3 + -3 = 0
0 + 3y = -20 + -3
3y = -20 + -3

Combine like terms: -20 + -3 = -23
3y = -23

Divide each side by '3'.
y = -7.666666667

Simplifying
y = -7.666666667

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