7y-15+4y=-18

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Solution for 7y-15+4y=-18 equation:


Simplifying
7y + -15 + 4y = -18

Reorder the terms:
-15 + 7y + 4y = -18

Combine like terms: 7y + 4y = 11y
-15 + 11y = -18

Solving
-15 + 11y = -18

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + 11y = -18 + 15

Combine like terms: -15 + 15 = 0
0 + 11y = -18 + 15
11y = -18 + 15

Combine like terms: -18 + 15 = -3
11y = -3

Divide each side by '11'.
y = -0.2727272727

Simplifying
y = -0.2727272727

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