Solve:
X = 9; 4x - 7y = 15 substitut
ion method
options...
x = 9; y = 3
x = 2; y = 5
X = 1; y = -9
X = 2: y = 7
Answers
Answered by
1
Answer:
x=9 andy=3 is the ryt anss
Step-by-step explanation:
x=9____(1)
4x-7y=15___(2)
put the value of x in eq. 2
4*9-7y=15
36-7y=15
-7y=15-36
-7y=-21
y=3
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