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3a+4=a+18 pls help!!!!!!!!!!!!1
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1 vote
3a+4=a+18 pls help!!!!!!!!!!!!1

User Lhagemann
by
5.1k points

2 Answers

4 votes

Answer:

a = 7

Explanation:

3a + 4 = a + 18

Add -a and -4 on both sides.

3a - a = 18 - 4

2a = 14

Divide 2 into both sides.

a = 14/2

a = 7

User Canbey Bilgili
by
4.5k points
3 votes

Answer:

a=7

Explanation:

3a+4=a+18

-1a -1a

2a+4=18

-4 -4

2a = 14

÷2 ÷2

a=7

User Ilya Buziuk
by
4.9k points
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