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Solve each system of linear equations by adding or subtracting. 3x + 4y = 15 3x – y = 30 Enter the solution as an ordered pair. The solution
Question
Solve each system of linear equations by adding or subtracting. 3x + 4y = 15 3x – y = 30 Enter the solution as an ordered pair. The solution is
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Mathematics
5 months
2021-08-10T14:33:34+00:00
2021-08-10T14:33:34+00:00 1 Answers
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Answers ( )
Answer:
(
9,
−
3
)
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
x
=
9 and y
=
−
3