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4a - 5b equals 7 4a plus 5b equals 17?
4a - 5b = 74a +5b = 17From the first equation:4a = 7 + 5bsubstitute this value in the second equation:7 + 5b + 5b = 177 + 10b = 1710b = 10b = 1Now,solve for a :4a - 5(1) = 74a = 7 + 54a = 12a = 3
How do you solve b plus 4b equals -90?
-86
6a - 5b equals 9 2a plus 5b equals 23?
(4, 3)
How do you solve x times 7 percent equals 55?
x(0.07) = 55 x = 55 / (0.07) x = 785.7142857...
What is the answer to 5b equals 35?
The answer is 7.
How do you Solve this system of equations using the addition method 6a - 5b equals 9 2a plus 5b equals 23?
the answer
How do you solve 5b squared equals 8b?
5b2 = 8b therefore 5b =8 therefore b = 1.6
How do you solve 5b plus 3 equals 10?
5b + 3 = 10 - 3 - 3 5b = 7 5b/5 7/5 b= 1.5 There you go !
How do you solve -5b-6 equals -11?
-5b - 6 = -11Add 6 to each side of the equation:-5b = -5Divide each side by -5 :b = 1
Solve this equation using addition method 4a subtract 5b equals 7 and 4a plus 5b equals 17?
Add the equations: 4a + 4a - 5b + 5b = 7 + 17 ie 8a = 24 a = 3, so b = 1
4a - 5b equals 7 4a plus 5b equals 17?
4a - 5b = 74a +5b = 17From the first equation:4a = 7 + 5bsubstitute this value in the second equation:7 + 5b + 5b = 177 + 10b = 1710b = 10b = 1Now,solve for a :4a - 5(1) = 74a = 7 + 54a = 12a = 3
How do you solve b plus 4b equals -90?
-86
What is the equation for 15 equals 5b?
15 = 5b
6a - 5b equals 9 2a plus 5b equals 23?
(4, 3)
How do you solve -3-5b divided by 7 equals -4?
-3-5b/7 = -4 Multiply all terms by 7: -21-5b = -28 Add 21 to both sides: -5b = -7 Divide both sides by -5 remembering that a -/- becomes a + Solution: y = 7/5 = 1.4
What is b when 5b equals 30?
If: 5b = 30 Then: b = 6
How do you solve x times 7 percent equals 55?
x(0.07) = 55 x = 55 / (0.07) x = 785.7142857...
