2a x 3 = 24
= 6a = 24
(divide both sides by 6)
a = 4
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18/6 = 3
2a + 1 = 3subtract 1 from both sides2a = 2divide both sides by 2a = 1
2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4
2a -3 means 2 times a minus 3 if a = 2 we have 2 x 2 - 3 = 4 - 3 = 1
If 3a+5=5a+3, then: 3a+5 - 3a = 5a+3 - 3a 5=2a+3 5 - 3=2a+3 - 3 2=2a a=1