3 years ago

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

Mathematics

2 answers:

solong [7]3 years ago

6 0

Answer:

a = 7

Step-by-step 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

eduard3 years ago

4 0

Answer:

a=7

Step-by-step explanation:

3a+4=a+18

-1a -1a

2a+4=18

-4 -4

2a = 14

÷2 ÷2

a=7

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