6+7=15-4(y+1)

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Solution for 6+7=15-4(y+1) equation:


Simplifying
6 + 7 = 15 + -4(y + 1)

Combine like terms: 6 + 7 = 13
13 = 15 + -4(y + 1)

Reorder the terms:
13 = 15 + -4(1 + y)
13 = 15 + (1 * -4 + y * -4)
13 = 15 + (-4 + -4y)

Combine like terms: 15 + -4 = 11
13 = 11 + -4y

Solving
13 = 11 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
13 + 4y = 11 + -4y + 4y

Combine like terms: -4y + 4y = 0
13 + 4y = 11 + 0
13 + 4y = 11

Add '-13' to each side of the equation.
13 + -13 + 4y = 11 + -13

Combine like terms: 13 + -13 = 0
0 + 4y = 11 + -13
4y = 11 + -13

Combine like terms: 11 + -13 = -2
4y = -2

Divide each side by '4'.
y = -0.5

Simplifying
y = -0.5

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