Ahmed wrote the two expressions below.
2 answers:
Answer:
d. put an equal sign between the two expressions, and solve for x
Step-by-step explanation:
The two expressions are :
and
We can say that is LHS and we have to solve it to become equal to RHS or
Now we have to tell procedure can Ahmed follow to determine if the two expressions are equivalent. For equivalent equations we put an equal sign between the expressions and solve them.
Solving LHS or
Cancelling out 4 we get:
or the RHS
Therefore, option D is the correct answer.
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1) Final expression:
2) Final expression:
Step-by-step explanation:
1)
The first expression is
First, we remove the 2nd bracket by changing the sign of all the terms inside:
Now we group the terms with same degree together:
Now we solve the expression in each brackets:
So, this is the final expression.
2)
The second expression is
We apply the distributive property, so we rewrite the expression as follows:
Solving both brackets,
Now we group terms of same degree together:
And solving each bracket,
So, this is the final expression.
Learn how to simplify expressions:
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