(HELP) solve the system by substitution. check your answer. 4x+5y=7x=5y+8

1 answer:

5 0

For this equation after the substitution you will get y=-1.

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maksim [4K]

Answer:

3x^2-6x -3

Step-by-step explanation:

(2x^2-5x+1)+(x^2-x-4)

we sum all coefficient according to the exponent of the variable

2x^2-5x+1+x^2-x-4 = 3x^2-6x -3

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3 years ago

My name is Ann [436]

2^2= 4
4x4= 16
answer is 16

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3 years ago

Black_prince [1.1K]

I believe the answer is 0.9 because a significant figure is a similar difference

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3 years ago

yuradex [85]

You answer would be B. Vehicle B needs fewer repairs then Vehicle A on average and its repair rate is more consistant

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3 years ago

Lunna [17]

I can't really help you with what is in your house......

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3 years ago

(HELP) solve the system by substitution. check your answer. 4x+5y=7x=5y+8​