Asked by jason
i don't know how to slove the/A system by using substitution
3x+4Y=9
y=x-3
3x+4Y=9
y=x-3
Answers
Answered by
PsyDAG
y = x-3
3x + 4y = 9
Substitute x-3 for y in second equation and solve for x. Insert that value into the first equation and solve for y. Check by inserting both values into the second equation.
3x + 4y = 9
Substitute x-3 for y in second equation and solve for x. Insert that value into the first equation and solve for y. Check by inserting both values into the second equation.
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