Answer:
45
Step-by-step explanation:
Mark me brainliest plzzz
The correct answer is 21 and 9. 21+9=30 and 21-9=12. Hope this helps.
Answer:
Bumble (B)
Step-by-step explanation:
Sure... a good example of that is when you have non-linear expressions in the system, like say for example a linear and a quadratic, like y = 4x and y = x².
recall that for a system of equations, where the graph of both equations intersect, is the solutions, check the picture below.