7y+-2[8y+1]=4

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Solution for 7y+-2[8y+1]=4 equation:


Simplifying
7y + -2[8y + 1] = 4

Reorder the terms:
7y + -2[1 + 8y] = 4
7y + [1 * -2 + 8y * -2] = 4
7y + [-2 + -16y] = 4

Reorder the terms:
-2 + 7y + -16y = 4

Combine like terms: 7y + -16y = -9y
-2 + -9y = 4

Solving
-2 + -9y = 4

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + -9y = 4 + 2

Combine like terms: -2 + 2 = 0
0 + -9y = 4 + 2
-9y = 4 + 2

Combine like terms: 4 + 2 = 6
-9y = 6

Divide each side by '-9'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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