Answer:
Step-by-step explanation:
= 7.4z + 8z - 12
= (7.4 + 8)z - 12
= 15.4z - 12
Answer:
Amount of water needed for 10 serving = 7.5 cup
Step-by-step explanation:
Given:
1 serving needed water = 3/4 cup
Find:
Amount of water needed for 10 serving
Computation:
Amount of water needed for 10 serving = 10[3/4]
Amount of water needed for 10 serving = 7.5 cup
Step-by-step explanation:
3(x+3) - 2(x+2) =
3x + 9 - 2x - 4 =
x + 5
always remember the rules when combining signs and operations (therefore it is -4 at the end after doing the multiplications) :
++ = +
+- = -
-+ = -
-- = +