substitute 2x+3y=36 and 9x+12y=15
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Answer:
Step-by-step explanation:
2x + 3y = 36
or x = (36 - 3y)/2
9x +12y = 15
Substituting the value of x ,
9* { (36 - 3y)/2 } + 12y = 15
Answered by
2
Answer:
X = -3
Y = 14
Step-by-step explanation:
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