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Solve: 5y - 21 = 19 - 3y

y = __

User Chaserx
by
9.1k points

2 Answers

4 votes

Answer:

y=5

Explanation:

5y - 21 = 19 - 3y

+21. +21

5y=40-3y

+3y +3y

8y=40

divide 40 by 8

40/8=5

User Silvo
by
8.4k points
4 votes

Answer:

5

Explanation:

5y - 21 = 19 - 3y

Add 3y on both sides

5y + 3y - 21 = 19

8y - 21 = 19

Add 21 on both sides

8y = 19 + 21

8y = 40

Divide 8 on both sides

y = 40/8

y = 5

User Ibininja
by
7.9k points

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