See the image below for a demonstration. Hope this helps out.
The answer is f(x)= 2,000,000 (1.02)^x.
Answer: y=(-3x+7)/2
Isolate y.
2y= -3x+7
y= (-3+7)/2
Answer: x=(-2y+7)/3
Isolate x
3x=-2y+7
x=(-2y+7)/3
Answer: 6x+4y=14
Idk if that counts but multiply the whole equation by 2.
Answer:
laa primera a 1.0 y la otra 6.9