-3y-(-7)=-18

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Solution for -3y-(-7)=-18 equation:


Simplifying
-3y + -1(-7) = -18

Multiply -1 * -7
-3y + 7 = -18

Reorder the terms:
7 + -3y = -18

Solving
7 + -3y = -18

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -3y = -18 + -7

Combine like terms: 7 + -7 = 0
0 + -3y = -18 + -7
-3y = -18 + -7

Combine like terms: -18 + -7 = -25
-3y = -25

Divide each side by '-3'.
y = 8.333333333

Simplifying
y = 8.333333333

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