0
a + 18 = 7a
a-a +18 = 7a-a
18 = 6a
18/6 = 6a/6
3 = a
3=a
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9a plus 15 equals 7a plus 9?
Collect like terms: 9a -7a = 9 - 15, ie 2a = -6, so a = -3
What is 7a plus 6 equals -36?
7a + 6 = -36 Subtract 6 from both sides: 7a = -42 Divide both sides by 7: a = -6 a = -6
What is the answer for -7a plus 2a plus 9 equals 24?
eleven! doo doo doo doot
What is seven times a plus ten equals two times a?
7a + 10 = 2a 7a = 2a -10 5a = -10 a = -2
How do you simplify a2 plus 7a-8a2 equals 6a7?
a2 + 7a - 8a2 = 6a7 ∴ a2 + 7a - 8a2- 6a7 = 0 ∴ a + 7 - 8a - 6a6 = 0 ∴ 7 - 7a - 6a6 = 0 ∴ 6a6 + 7a - 7 = 0
7a-17 equals 4a plus 1?
7a-17 = 4a+1 7a-4a = 1+17 3a = 18 a = 6
7a plus 3 plus -a - 5 equals -16?
(7a=3)=(-a-5)=16
Evaluate a+4a+4a, plus, 4 when a=7a=7a, equals, 7?
555
7a plus 4 equals 5a plus 7?
7a + 4 = 5a + 7 7a = 5a + 3 2a = 3 a = 3/2
Solve the equation 9a-a equals 19 plus 7a?
9a-a = 19+7a 8a = 19+7a 8a - 7a = 19 + 7a - 7a 1a = 19 a = 19
What is 2a plus 5a simplified?
It is: 2a+5a = 7a when simplified
What is 12a - 6a plus a?
18
What Is 7a plus 3 equals 21?
It's a simple linear equation in 'a'.If you want to know the value of 'a' that makes the equation true,you can find it as follows:7a + 3 = 21Subtract 3 from each side:7a = 18Divide each side by 7:a = 18/7
What is -7a plus 2a plus 9 equals 24?
-7a+2a+9 is also -5a+9. -5a+9=24. -5a=15. a=-3.
9a plus 15 equals 7a plus 9?
Collect like terms: 9a -7a = 9 - 15, ie 2a = -6, so a = -3
What is 7a plus 6 equals -36?
7a + 6 = -36 Subtract 6 from both sides: 7a = -42 Divide both sides by 7: a = -6 a = -6
What is the answer for -7a plus 2a plus 9 equals 24?
eleven! doo doo doo doot
