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Sveta_85 [38]
3 years ago
9

What's the value of x and y when 4x+y=210 and 3x+2y=195?

Mathematics
2 answers:
noname [10]3 years ago
8 0
After substitution method, I got x=45 and y=30
adell [148]3 years ago
7 0
You already hve the answer, but you do this by turning the equation into standard form. Since we are isolating y for each linear equation, we must first subtract the 4x and 3x on both sides. This should come out to y=-4x+219 and 2y=-3x+195. Since we have our first equation in standard form, all we have go do is divide 2 on both sides frome the second equation. Then you can solve by substitution (y=y)
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