0
5a - 5 = 7 + 2a ( subtract 2a from both sides)
3a - 5 = 7 (add 5 to both sides)
3a = 12 ( divide both sides by 3)
a = 4
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What is the solution to a equals 3a plus 4?
a = 3a + 4 0 = 2a + 4 2a = -4 a = -2
If b equals a plus 40 and 2a plus 2b equals 160. solve for a and b?
2a + 2b = 160 But b = a + 40 so 2a + 2(a + 40) = 160 ie 2a + 2a + 80 = 160 or 4a = 80 ie a = 20 Then b = a + 40 gives b = 20 + 40 = 60 Solution: a = 20, b = 60
What is 2a plus 5 equals 45?
A equals 20.
Simplify 2a plus 3a plus 4 equals?
2a + 3a + 4 = 5a + 4
What is the variable for 2a plus 9 equals 4a - 19?
2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14
A plus a plus a-2a equals?
a + a + a - 2a = 3a - 2a = a
What is the solution to a equals 3a plus 4?
a = 3a + 4 0 = 2a + 4 2a = -4 a = -2
What is -2a plus 3a plus 5b?
What is the solution of -2a plus 3a plus 5b
If b equals a plus 40 and 2a plus 2b equals 160. solve for a and b?
2a + 2b = 160 But b = a + 40 so 2a + 2(a + 40) = 160 ie 2a + 2a + 80 = 160 or 4a = 80 ie a = 20 Then b = a + 40 gives b = 20 + 40 = 60 Solution: a = 20, b = 60
2a plus 5a plus 9a equals?
2a+5a+9a = 16a
What is 2a plus 5 equals 45?
A equals 20.
If a plus a equals b and b plus c equals a and a-c equals b what is c?
a= (+a) or a= (-) b= 2a b= 2a c= (-a) c= (+a)
Simplify 2a plus 3a plus 4 equals?
2a + 3a + 4 = 5a + 4
-a plus 3a-2a equals?
1
What is the answer to 6a plus 2 equals 2a plus 10?
A=2
What is a if 2a plus 4 equals 6?
a = 1
What is 38 equals 2a plus 54?
2a+54=38 2a=38-54 2a=-16 a=-16/2 a=-8
