Worksmarter72641
11.09.2020 •
Mathematics
Solve.
4x + 4y = 20
4x + y = -10
Solved
Show answers
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Ответ:
As for x multiply 4x+y=-10 by -4
4x+4y=20-16x-4y=4012x=60
x=5
Ответ:
Ответ:
74.95 or 75 I think
Step-by-step explanation:
I put it into a triangle calculator, so it could be wrong.