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4a -3 = 2a +7 what's a?​
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10 votes
4a -3 = 2a +7
what's a?​

User Shaquille
by
4.0k points

2 Answers

12 votes

Answer:

a=5

Explanation:

4a-3+3=2a+7+3

4a=2a+10

4a-2a=2a+10-2a

2a=10

a=5

User Mnemia
by
3.9k points
5 votes

Answer:

a =5

Explanation:

4a -3 = 2a +7

Subtract 2a from each side

4a-2a -3 = 2a-2a +7

2a-3 =7

Add 3 to each side

2a-3+3 = 7+3

2a=10

Divide each side by 2

2a/2 = 10/2

a =5

User Jigar Patel
by
3.1k points
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