Answer:
Here's the simplest example possible: let's say x + y = 3 and x - y = 1. Solve the second equation for x by adding y to both sides: (x - y) + y = 1 + y. So x = 1 + y. Take that value of x, and substitute it into the first equation given above (x + y = 3).
Answer:
2/25
Step-by-step explanation:
Just work it out
Answer:2x3+5x2-4x+6
Step-by-step explanation:
2x3+5x2-4x+6 is your answer
Answer:
A and B I believe
Step-by-step explanation: