exam Maths Puzzle Numerical Ability

Choose the ordered pair that is a solution to the system of equations.

-3x + y = -4
3x + y = -4

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exam Other Question

please help me

One family made a trip by car.
They traveled 1312 km in 3 days.
On the 2nd day, it is the number of km from the 1st day.
On the 3rd day, it is 98 km less than the 2nd day.
Find the distance Parcourue every day. Radical Expressions
simplify.
I am trying to help my daughter with her homework and I am at a loss. I have never seen problems like these, and surely am at a loss as where to start with them.
/810+/240-/250