4y-[4(y-2)+7y+9]=

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Solution for 4y-[4(y-2)+7y+9]= equation:


Simplifying
4y + -1[4(y + -2) + 7y + 9] = 0

Reorder the terms:
4y + -1[4(-2 + y) + 7y + 9] = 0
4y + -1[(-2 * 4 + y * 4) + 7y + 9] = 0
4y + -1[(-8 + 4y) + 7y + 9] = 0

Reorder the terms:
4y + -1[-8 + 9 + 4y + 7y] = 0

Combine like terms: -8 + 9 = 1
4y + -1[1 + 4y + 7y] = 0

Combine like terms: 4y + 7y = 11y
4y + -1[1 + 11y] = 0
4y + [1 * -1 + 11y * -1] = 0
4y + [-1 + -11y] = 0

Reorder the terms:
-1 + 4y + -11y = 0

Combine like terms: 4y + -11y = -7y
-1 + -7y = 0

Solving
-1 + -7y = 0

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + -7y = 0 + 1

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

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

Divide each side by '-7'.
y = -0.1428571429

Simplifying
y = -0.1428571429

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