4x+4+8=24
4x+12=24
-12. -12
4x =12
divide by 4
x=3
Answer:
25x
Step-by-step explanation:
Given the slope m and a point (a,b) of a line, its equation is given by

In your case, a = -4, b = 7 and m=1/2, so we have

Answer:
25a-20
Step-by-step explanation:
15a+10a-20=
25a-20