HELP ME!Solve the system of equations by using the substitution method. Are there solutions, none, or infinite number? If there's one solution, what's the ordered pair?

yes step-by-step explanation: so of course you want to start by plugging the 5 in which goes to 7(5)...

Mathematics, 23.07.2020 20:01 Olaf2018

HELP ME!Solve the system of equations by using the substitution method. $\left \{ {{x+y=20} \atop {y=-5x}} \right.$ Are there solutions, none, or infinite number? If there's one solution, what's the ordered pair?

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HELP ME!Solve the system of equations by using the substitution method. Are there solutions, none,...

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