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

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


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

Reorder the terms:
2(-4 + 7y) + -1(4y + 9) = 0
(-4 * 2 + 7y * 2) + -1(4y + 9) = 0
(-8 + 14y) + -1(4y + 9) = 0

Reorder the terms:
-8 + 14y + -1(9 + 4y) = 0
-8 + 14y + (9 * -1 + 4y * -1) = 0
-8 + 14y + (-9 + -4y) = 0

Reorder the terms:
-8 + -9 + 14y + -4y = 0

Combine like terms: -8 + -9 = -17
-17 + 14y + -4y = 0

Combine like terms: 14y + -4y = 10y
-17 + 10y = 0

Solving
-17 + 10y = 0

Solving for variable 'y'.

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

Add '17' to each side of the equation.
-17 + 17 + 10y = 0 + 17

Combine like terms: -17 + 17 = 0
0 + 10y = 0 + 17
10y = 0 + 17

Combine like terms: 0 + 17 = 17
10y = 17

Divide each side by '10'.
y = 1.7

Simplifying
y = 1.7

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