Giovanni justifies whether the expression - 4x - 8 is equivalent to Negative 2 (x + 1) minus 2 (x + 3) by letting x = 3 in both expressions. What is the value of each expression when x = 3? 3 and - 20 4 and 4 - 20 and - 20 3 and 4

Question

Mathematics

Kaleigh Frank

10 January, 09:50

Giovanni justifies whether the expression - 4x - 8 is equivalent to Negative 2 (x + 1) minus 2 (x + 3) by letting x = 3 in both expressions. What is the value of each expression when x = 3? 3 and - 20 4 and 4 - 20 and - 20 3 and 4

+1

Answers (1)

Know the Answer?

Nathalia · Answer 1

When x = 3, the solutions to the expressions are-20 and - 20

Step-by-step explanation:

-4 (3) - 8 Multiply

-12 - 8 Subtract

-20

-2 (3 + 1) - 2 (3 + 3) Simplify in the parentheses

-2 (4) - 2 (6) Multiply

-8 - 12 Subtract

-20