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What is the variable for 2a plus 9 equals 4a - 19?
2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14
How do you answer 2a plus 1 equals 3?
2a + 1 = 3subtract 1 from both sides2a = 2divide both sides by 2a = 1
What is 2a plus 5 equals 45?
A equals 20.
What is the multaplicative inverse of -2a?
The multiplicative inverse of -2a is 1/(-2a) = -1/2a
What is 2a-3 when a equals 2?
2a -3 means 2 times a minus 3 if a = 2 we have 2 x 2 - 3 = 4 - 3 = 1
How do you solve 2a-7 equals -9?
2a - 7 = -9 2a - 7 + 7 = -9 + 7 2a = -9 +7 2a = -2 2a/2 = -2/2 a = -2/2 a= -1
What is the variable for 2a plus 9 equals 4a - 19?
2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14
How do you solve -2a plus 5 equals 1?
-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2
2a-20 equals -2?
Simple algebra, 2a-20 = -2 2a=18 a=18/2 a=9
How do you answer 2a plus 1 equals 3?
2a + 1 = 3subtract 1 from both sides2a = 2divide both sides by 2a = 1
What is -7a plus 2a plus 9 equals 24?
-7a+2a+9 is also -5a+9. -5a+9=24. -5a=15. a=-3.
-a plus 3a-2a equals?
1
What is a in the equation 5a-20 plus 2a equals 6a-11?
5a-20+2a = 6a-11 5a+2a-6a = 20-11 1a = 9 a = 9
2a plus 21 equals 8a-9?
2a + 21 = 8a - 9Add 9 to each side:2a + 30 = 8aSubtract 2a from each side:30 = 6aDivide each side by 6:5 = a
6a - 5b equals 9 2a plus 5b equals 23?
(4, 3)
What is -2a - 9 equals 39?
It is a linear equation in one variable, a.
Solve the equation 2a plus 13 equals 5a 1?
If: 2a+13 = 5a+1 Then: a = 4
