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DiKsa [7]
3 years ago
8

Solve the system: 3x+6y=51 y=40-5x Write down your solution here

Mathematics
2 answers:
Paladinen [302]3 years ago
7 0
X=7 y=5
You need to used the second equation and isolate either x or y. It’s your choice. Then, use that and substitute it in for the first equation. Then you will get an integer and substitute it back to the second equation.
Ierofanga [76]3 years ago
5 0

Answer:

x=7 y=5

Step-by-step explanation:

3x+6(40-5x)=51

3x+240-30x=51

-27x+240=51

-27x=-189

27x=189

x=7

y=40-5(7)

y=40-35

y=5

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