Solve 3x-7y=7 and 11x+5y=87 by elimination
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make it as brainlist answer please
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Answer:
x=7,y=2
Step-by-step explanation:
3x-7y=7
3x=7+7y
x=7y+7/3
putting x=7y+7/3
11x+5y=87
11((7y+7)/3)+5y=87
77y+77+15y=87×3
92y=261-77
92y=184
y=2
x=(7(2)+7)/3
=(14+7)/3
=(21)/3
=7
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