The public debt of a fictional country is 8,127,650,198,774 units of its currency, while its gross domestic product (GDP) is 23,476,117,934,187 units
of its currency. What is the country's debt-to-GDP ratio?

Step-by-step explanation:

just divide 8,127,650,198,774 by 23,476,117,934,187

by calculator

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

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step-by-step explanation: