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Solving Equations

Last updated almost 8 years ago

2 questions

1

1

Question 2

2.

Explain why you selected the answer above.

Question 1

1.

Luisa is solving an equation on the bottom of a page. The corner of the page where the equation is written is torn off as shown below.
7(x + 3) = 7(x + 5) –

Luisa knows only one number was torn off, and she knows that the equation has an infinite number of solutions. What must be the missing number?

A   2

B   14

C   21

D    35