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photoshop1234 [79]
3 years ago
15

Solve the following system by substitution method. 2x-7y=12-x+3.5=-6

Mathematics
1 answer:
Semmy [17]3 years ago
7 0
-x+3.5=-6
x= 3.5+6 = 9.5


2x-7y = 12
2(9.5) -7y = 12
19 - 7y= 12
7y = 19-12
7y = 7
y= 1
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