Answer:
20x - 6
Step-by-step explanation:
You just multiply 2 by 10x and by -3
If the sum of two numbers is x
Then the equation is like this:
a+b = x
Then it says one of the number is 12. Change either a or b into 12
12 + b =x
If we want to find the other number, we need the make it into the subject
b = x - 12
Hope that help.
Answer:
15d+25e+15
Step-by-step explanation:
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