Question

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

Answer 1

its C -20 and -20

Explanation:

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Answer 2

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

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