daya88
23.01.2021 •
Mathematics
Solve a system of equation by elimination
1. 4x+5=21 4x-2y=14
2. 5x+4y=45 -5x4y=35
3. 4x+3y=-10. -4x+y=-30
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Ответ:
1: (4,1) x=4 y=1
2: (1,10) x=1 y=10
3: (-25/4,5) x= -25/4 y=5
Step-by-step explanation:
It would be a lot to explain all three so if you really need it just ask
Ответ:
y= 200
x=60
Step-by-step explanation:
value of y= 360-160=200
value of x=160/2=60