Answer:
it's 60
Step-by-step explanation:
I have done that before
Step-by-step explanation:
w = 3(2a + b) - 4
w = 6a + 3b - 4
6a = w - 3b + 4
a = 1/6 * (w - 3b + 4).
easy
Step-by-step explanation:
if you have for example x^2-4
just graf x^2 and that put down all point for 4
