Solve the equation r ÷ (-8) =5
2 answers:
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Answer:
The solution is (2,6)
Step-by-step explanation:
Let
x-----> the number of hours to change a fuel injection unit
y-----> the number of hours to change a transmission
we know that
5x+10y=70 -----> equation A
8x+8y=64 -----> equation B
Solve the system of equations by graphing
Remember that the solution of the system of equations is the intersection point both graphs
The solution is the point (2,6)
see the attached figure
Graphically I guess means graph it.
First graph goes to first problem. Second graph goes to second problem.
First graph goes to first problem. Second graph goes to second problem.