Mathematics
18.02.2022 04:30
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Solve the following system by the substitution method. Show your work. {2x−7y=12
Solve the following system by the substitution method. Show your work.
{2x−7y=12
−x+3.5y=−6
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{2x−7y=12
−x+3.5y=−6
adejumoayobami1
4,5(13 marks)
see the explanation
The system has infinity solutions
Step-by-step explanation:
we have
----> equation A
isolate the variable x
----> equation B
Solve by the substitution method.
substitute equation B in equation A
solve for y
The system has infinity solutions
That means The equation A and equation B are the same line
Verify
we have
----> equation A
----> equation B
Multiply by -2 both sides equation B
so
Equation A and equation B is the same line
The system has infinity solutions
camerondillonn
4,6(60 marks)
a the number of poop in decimales means the adjective of the mooper of poop recriprocals
a
Step-by-step explanation:
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