Answer:
Step 3
Step-by-step explanation:
The solution is given in the image attached. The steps are:
Step 1:

Step 2: simplifying the coefficients of x:

Step 3: Adding 1/4 to both sides

Step 4: Multiplying both sides by 5/7

The addition property of equality states that if a number is added to both sides of an equation, the equation is still valid (i.e the equation is still the same). From the steps above, The addition property of equality was applied in step 3
No, because if you work with fraction and do

(3 eggs for every 2 cups) then you would be multiplying 3x4 and now you have tot do that to the demominator so she would need 8 cups of sugar
Answer:
4
Step-by-step explanation:
2x2x2x2 = 16
14x-21y+42 should be your answer. hope it helps :)
PH = - log [H+]
pH = - log (0.000316227)
pH = 3.5