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-2y + 3 =21 solve linear equations
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-2y + 3 =21 solve linear equations

User Jonathan Kehayias
by
3.1k points

2 Answers

3 votes

Answer: y = -9

Explanation:

-2y+3=21

-2y=21-3

-2y=18

Divide that by -2:

y=-9

User Screamer
by
3.2k points
1 vote

Answer:

y= -9

Explanation:

Subtract 3 from both sides

-2y + 3-3= 21-3

-2y=18

Divide both sides by the same factor

-2y/-2 = 18/-2

y= -9

User Guyl
by
3.1k points
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