8-2[3-4y]=7y

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Solution for 8-2[3-4y]=7y equation:


Simplifying
8 + -2[3 + -4y] = 7y
8 + [3 * -2 + -4y * -2] = 7y
8 + [-6 + 8y] = 7y

Combine like terms: 8 + -6 = 2
2 + 8y = 7y

Solving
2 + 8y = 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 + 8y + -7y = 7y + -7y

Combine like terms: 8y + -7y = 1y
2 + 1y = 7y + -7y

Combine like terms: 7y + -7y = 0
2 + 1y = 0

Add '-2' to each side of the equation.
2 + -2 + 1y = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 1y = 0 + -2
1y = 0 + -2

Combine like terms: 0 + -2 = -2
1y = -2

Divide each side by '1'.
y = -2

Simplifying
y = -2

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