Answer:
iiufufifigigigigigigiggigigi
4m+2
because 2mx2=4m and 1x2=2 so 4m+2
z=10
10-5z=-4z
10=-4z+5z
10=z
a = 45
Step-by-step explanation:
Cross multiply: 2a =90
Divide both sides by 2: 45
I hope this helped, please mark Brainliest, thank you!