Maria has a car that she could sell for about $7,000 according to her uncle who is a used car dealer. However, she still owes $2,200 on her car loan. She also has $1,100 in her checking account and $300 in cash. What is Emily's net worth?

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step-by-step explanation:

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the correct answer is 5 6 and 7

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

80

step-by-step explanation: