12y-x=33 and 5x+2y=21 solve problem
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Answer:
x=3
y=3
Step-by-step explanation:
Solved by elimination method
12y-x=33
Multiply by 5
60y-5x=165 (eq 1)
Let 5x+2y=21 be eq2
Adding eq1 and eq2
5x-5x+60y+2y=165+21
62y=186
y=186/62
y=3
Putting y=3 in eq1
60*3-5x=165
-5x=165-180
-5x=-15
x=-15/-5
x=3
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