a=5
11a+9 = 4a+30 11a-4a = 30-9 7a = 21 Solution: a = 3
4a+5=25 4a=25-5 4a=20 a=20/4 a=5
4a + a = 25 add 4a and a 5a = 25 then divide 25 by 5 a = 5
a=-12
4a+3-a =12 4a-a = 12-3 3a = 9 a = 3
a=5
2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4
11a+9 = 4a+30 11a-4a = 30-9 7a = 21 Solution: a = 3
Solve the following equation for A : 2A/3 = 8 + 4A
5
11a + 9 = 4a + 30Subtract 9 from both sides to get: 11a = 4a + 21Subtract 4a from both sides to get:7a = 21Divide both sides by 7 to get:a = 3And there's your answer: a = 3
Add the equations: 4a + 4a - 5b + 5b = 7 + 17 ie 8a = 24 a = 3, so b = 1
555
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It can do, for the right value of A
10