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

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


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

Reorder the terms:
-1(4 + 7y) + -1(-6y + -7) = -1
(4 * -1 + 7y * -1) + -1(-6y + -7) = -1
(-4 + -7y) + -1(-6y + -7) = -1

Reorder the terms:
-4 + -7y + -1(-7 + -6y) = -1
-4 + -7y + (-7 * -1 + -6y * -1) = -1
-4 + -7y + (7 + 6y) = -1

Reorder the terms:
-4 + 7 + -7y + 6y = -1

Combine like terms: -4 + 7 = 3
3 + -7y + 6y = -1

Combine like terms: -7y + 6y = -1y
3 + -1y = -1

Solving
3 + -1y = -1

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 + -1y = -1 + -3

Combine like terms: 3 + -3 = 0
0 + -1y = -1 + -3
-1y = -1 + -3

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

Divide each side by '-1'.
y = 4

Simplifying
y = 4

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