Given that p=4 and q=-3,find the value of p-2q
Answers
Answer:
if p=4 and q=-3
p-2q = 10
Step-by-step explanation:
p-2q
Given,
p=4, q=-3
Enter the values,
p-2q = 4-2×(-3)
As -×- = +
4+6 = 10
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Answer:
Step-by-step explanation:
facts:
p=4
q=-3
so that means the equation is 4-2x-3
whenever you group numbers remember to group the sign with its number too eg;
4-(2x-3) is the wrong way of grouping the equation. instead do:
4(-2x-3) in which case according to BODMAS we start with the numbers in brackets (-2x-3). since the signs are the same the answer is positive. Always remember this whenever you are multiplying or dividing integers: if the signs of the integers are different, the answer will always be negative. if the signs of the integers are the same, the answer will always be positive. so -2x-3=6, and because the signs are the same, the sign on the 6 will be positive. now the equation is
4+6=10.
Hope that helped :)