Question

substitution 2. 3r+t=5, 2r-t=5

Answer 1

Use the first equation to solve for t.

Answer 2

3r+t=5

t=5-3r

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2r-t=5

2r-(5-3r)=5

2r - 5 + 3r = 5

Keep going to solve for r

Answer 3

thx jim

Answer 4

np

Answer 5

once you have the solution for r, use it to find the solution for t

Answer 6

ok thx