To solve an addition problem, you simply add one number to the other. For example,
If I want to add 4 to 5, I would write the equation 4 + 5 = 9.
To solve a subtraction problem, you simply take a number away from another. For example,
If I want to take 5 away from 9, I would write the equation 9 - 5 = 4.
Hope I helped! :)
Answer:
the answer is 10x^2-30x+20
Step-by-step explanation:
you have to distribute the numbers and multiply then add the matching variables.
Answer:
m = 7 n ( the '=' is meant to be the proportional sign)
Step-by-step explanation:
21 ÷ 3 = 7
35 ÷ 5 = 7
56 ÷ 8 = 7
Answer:
you can use a calculator
Step-by-step explanation: