Asked by tiffany
solve the system of equations using substitution.
y = x + 10
y = 3x
a. (5, 15)
b. (2.5, 7.5)
c. (–15, –5)
d. (–5, –15)
y = x + 10
y = 3x
a. (5, 15)
b. (2.5, 7.5)
c. (–15, –5)
d. (–5, –15)
Answers
Answered by
PsyDAG
3x = x + 10
Solve for x, then put that value in the second equation (above) to find y. Put both in the first equation to check.
Solve for x, then put that value in the second equation (above) to find y. Put both in the first equation to check.
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