5y-[2(y+1)]=7y

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Solution for 5y-[2(y+1)]=7y equation:


Simplifying
5y + -1[2(y + 1)] = 7y

Reorder the terms:
5y + -1[2(1 + y)] = 7y
5y + -1[(1 * 2 + y * 2)] = 7y
5y + -1[(2 + 2y)] = 7y
5y + [2 * -1 + 2y * -1] = 7y
5y + [-2 + -2y] = 7y

Reorder the terms:
-2 + 5y + -2y = 7y

Combine like terms: 5y + -2y = 3y
-2 + 3y = 7y

Solving
-2 + 3y = 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.
-2 + 3y + -7y = 7y + -7y

Combine like terms: 3y + -7y = -4y
-2 + -4y = 7y + -7y

Combine like terms: 7y + -7y = 0
-2 + -4y = 0

Add '2' to each side of the equation.
-2 + 2 + -4y = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -4y = 0 + 2
-4y = 0 + 2

Combine like terms: 0 + 2 = 2
-4y = 2

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

Simplifying
y = -0.5

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