x+7y=10;3x-2y=7 solve this
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Answered by
14
Answer:
x =3 and y = 1
Step-by-step explanation:
x+7y=10
3(x+7y) = 3(10)
3x+21y = 30
3x+21y = 30
3x- 2y = 7 ( subtracting both equations)
= 23y = 23
y = 23/23 = 1
y = 1
x+7(1) = 10
x = 10 -7
x = 3
Answered by
13
Step-by-step explanation:
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