-10y+18=-15y-21+5

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Solution for -10y+18=-15y-21+5 equation:


Simplifying
-10y + 18 = -15y + -21 + 5

Reorder the terms:
18 + -10y = -15y + -21 + 5

Reorder the terms:
18 + -10y = -21 + 5 + -15y

Combine like terms: -21 + 5 = -16
18 + -10y = -16 + -15y

Solving
18 + -10y = -16 + -15y

Solving for variable 'y'.

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

Add '15y' to each side of the equation.
18 + -10y + 15y = -16 + -15y + 15y

Combine like terms: -10y + 15y = 5y
18 + 5y = -16 + -15y + 15y

Combine like terms: -15y + 15y = 0
18 + 5y = -16 + 0
18 + 5y = -16

Add '-18' to each side of the equation.
18 + -18 + 5y = -16 + -18

Combine like terms: 18 + -18 = 0
0 + 5y = -16 + -18
5y = -16 + -18

Combine like terms: -16 + -18 = -34
5y = -34

Divide each side by '5'.
y = -6.8

Simplifying
y = -6.8

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