4 x 5 - (2² - 2) =? (18 ÷ 3) + (3² - 7) =?
1 answer:
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Answer:
Here is the ans...hope it helps:)
17)
18)
19)
20)
Step-by-step explanation:
17) The difference between a number and 8 is 11
Let number = x
then the equation will be:
Solving:
18) Nine less than a number is five.
Let number = x
then the equation will be:
Solving:
19) Seven is equal to a number plus 6
Let number = x
then the equation will be:
Solving:
20) The sum of a number and -4 is -18
Let number = x
then the equation will be:
solving:
Keywords: Algebraic Expressions
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