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Allushta [10]
2 years ago
15

Pls help it is too hard​

Mathematics
2 answers:
Neko [114]2 years ago
6 0

Answer:

x = – 2 —> y = 4.5

x = -1 —> y = 4

x= 0 —> y = 3.5

x =1—> y = 3

x=2 —> y=2.5

x=3 —> y= 2

Step-by-step explanation:

x = -2 —> x + 2y = 7 —> -2 + 2y = 7 —> 2y=7+2—> 2y = 9

y= 9/ 2 —> y = 4.5

x = -1 —> -1+2y =7 —> 2y =7+1 —> 2y=8 —> y=8/2 —> y= 4

x= 0 —> 0+2y=7 —> 2y=7 —> y =7/2 = 3.5

x= 1—> 1+2y=7—>2y =7-1—> 2y=6 —> y = 3

x =2—> 2+2y=7 —> 2y= 7-2—> 2y = 5 —> y=5/2=2.5

x=3—> 3+2y=7 —> 2y=7-3—> 2y=4 —> y=2

ozzi2 years ago
3 0
U have to substitute in the values of x to get the values of y

answers in order from left to right:
4.5, 4, 3.5, 3, 2.5, 2

ex of solving process:
x+2y=7
(-2)+2y=7
2y=9
y=4.5
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