Question

-2y + 3 =21 solve linear equations

Answer 1

Answer: y = -9

Explanation:

-2y+3=21

-2y=21-3

-2y=18

Divide that by -2:

y=-9

Answer 2

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