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

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


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

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

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

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

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

Combine like terms: 9 + 7 = 16
16 + 7y + -10y = 0

Combine like terms: 7y + -10y = -3y
16 + -3y = 0

Solving
16 + -3y = 0

Solving for variable 'y'.

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

Add '-16' to each side of the equation.
16 + -16 + -3y = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -3y = 0 + -16
-3y = 0 + -16

Combine like terms: 0 + -16 = -16
-3y = -16

Divide each side by '-3'.
y = 5.333333333

Simplifying
y = 5.333333333

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