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Mathematics, 27.01.2020 05:31 NobleWho

Sam and kevin both worked hard over the summer. together they earned a total of $425. kevin earned $ 25 more than sam.
a) write a system of equations for the situation. use s for the amount same earned and k for the amount kevin earned.
b) graph the equations in the system.
c) use your graph to estimate how much each person earned.

solve the system of equations by substitution.
6= -4x + y
-5x - y =21

solve the system by the elimination method.
2x + y=20
6x - 5y=12

i do not understand how to do this ..

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