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Alenkasestr [34]
3 years ago
5

PLEASE HELP....... Solve the system of equations using the Addition method. 2a + 3b = -1 3a + 5b = -2

Mathematics
1 answer:
guajiro [1.7K]3 years ago
4 0
2a+3b  = -1      | *3
3a +5b = -2       |* -2

6a+ 9b = -3
-6a -10b = 4
------------------
/      -b =1
         b= -1

2a + 3b= -1
2a + 3* -1 = -1
2a -3= -1
2a = 3-1
2a=2
a=2:2
a=1
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