Answer:
1. 11
2. 20
3. 6
4. 18
Explanation:
1. a+8, a=3
So, 3+8 = 11
2. 10(c-5), c=7
First we solve (7-5)=2
Then we got 10(2) = 20
3. Given n is 18 so we substitute 18 in the equation
First, 18+6 = 24
Next, 24÷4 = 6
4.
Solve 4(8) first we got 32.
Then 32+22 = 54
Next, 54÷3 = 18
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