4-2(-1)=7-y

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Solution for 4-2(-1)=7-y equation: 


Simplifying
4 + -2(-1) = 7 + -1y

Multiply -2 * -1
4 + 2 = 7 + -1y

Combine like terms: 4 + 2 = 6
6 = 7 + -1y

Solving
6 = 7 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
6 + y = 7 + -1y + y

Combine like terms: -1y + y = 0
6 + y = 7 + 0
6 + y = 7

Add '-6' to each side of the equation.
6 + -6 + y = 7 + -6

Combine like terms: 6 + -6 = 0
0 + y = 7 + -6
y = 7 + -6

Combine like terms: 7 + -6 = 1
y = 1

Simplifying
y = 1

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