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sasho [114]
3 years ago
9

WILL GIVE BRAINLIEST ian solved the system of equations by making a substitution for y in the second equation. What equation did

he get as a result of that substitution? y=-3x+1 5x-2y=31 A. 5x+6x+1=31
B. 5x+6x-2=31
C. -15x+5x=31
D. -15x-x=31
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
6 0

5x -2(-3x+1) =31

5x +6x-2=31

Choice B

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Step-by-step explanation:

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3 years ago
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<u>How do we know?</u>

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As you see when you still multiply either of those problems you have 15 in it. So we should know 300×5=1500.

Note: We can also multiply 500×3 and get 1500. You still get the same answer but just switched numbers.

5 0
3 years ago
Read 2 more answers
Explain how to solve this problem.<br> -5 + 18 + (-12) + (-1)
Nana76 [90]

Answer:

0

Step-by-step explanation:

-5 + 18 + (-12) + (-1)

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13-13

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