Ok so you do 3x7= 21 which you already know. So then you do 1x7=7. Last, you just add 21+7=28 pens in total
Answer:
if x was 4 then the answer would be 36.
Step-by-step explanation:
28+8(4−3)
=28+(8)(1)
=28+8
=36
Answer:
Step-by-step explanation:
Multiply 3 times 4x which gives you 12. Multiply 3 times 2 which gives you 6. Your final answer is 12x+6
Answer:
32
Step-by-step explanation:

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The applicable rules of logarithms are ...
log(ab/c) = log(a) +log(b) -log(c)
log(a^b) = b·log(a)
Step-by-step explanation:
multiply both sides by -1
x = 14