(7y-9)-(4y+10)=

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Solution for (7y-9)-(4y+10)= equation:


Simplifying
(7y + -9) + -1(4y + 10) = 0

Reorder the terms:
(-9 + 7y) + -1(4y + 10) = 0

Remove parenthesis around (-9 + 7y)
-9 + 7y + -1(4y + 10) = 0

Reorder the terms:
-9 + 7y + -1(10 + 4y) = 0
-9 + 7y + (10 * -1 + 4y * -1) = 0
-9 + 7y + (-10 + -4y) = 0

Reorder the terms:
-9 + -10 + 7y + -4y = 0

Combine like terms: -9 + -10 = -19
-19 + 7y + -4y = 0

Combine like terms: 7y + -4y = 3y
-19 + 3y = 0

Solving
-19 + 3y = 0

Solving for variable 'y'.

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

Add '19' to each side of the equation.
-19 + 19 + 3y = 0 + 19

Combine like terms: -19 + 19 = 0
0 + 3y = 0 + 19
3y = 0 + 19

Combine like terms: 0 + 19 = 19
3y = 19

Divide each side by '3'.
y = 6.333333333

Simplifying
y = 6.333333333

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