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

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


Simplifying
-2(2 + -4y) + 7y = 9
(2 * -2 + -4y * -2) + 7y = 9
(-4 + 8y) + 7y = 9

Combine like terms: 8y + 7y = 15y
-4 + 15y = 9

Solving
-4 + 15y = 9

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 15y = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 15y = 9 + 4
15y = 9 + 4

Combine like terms: 9 + 4 = 13
15y = 13

Divide each side by '15'.
y = 0.8666666667

Simplifying
y = 0.8666666667

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