Question

Please please help me out I can’t get passed this and I’ve tried many times already please help me please

Answer 1

Use the substitution method

-x+(-5.8)

-7.1+(-5.8)

positive sign (+) and negative sign (-) = negative sign (-)

-7.1-5.8

-12.9

Answer: -12.9 last choice

Answer 2

D. -12.9

Explanation:

when you let x=7.1

-7.1+(-5.8) Adding a negative is the same as subtracting.

-7.1-5.8= -12.9