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liubo4ka [24]
3 years ago
11

Drag a statement or reason to each box to complete this proof.

Mathematics
2 answers:
ANTONII [103]3 years ago
8 0

Answer:

We have to prove that,

-2(x+1)=8, then x= -5

L.H.S.

-2(x+1)=8

By distributive property,

-2x-2=8

Adding 2 both sides ( Additive property of equality )

-2x-2+2=8+2

-2x=10

Divide both sides by -2 ( Division property of equality ),

\frac{-2x}{-2}=\frac{10}{-2}

x=-5

= R. H. S

Hence, proved....

kotykmax [81]3 years ago
7 0

Step-by-step explanation:

distribute the -2 to (x+1) you end up with -2x-2=8 (multiplication property). Add 2 to both sides to get rid of the -2 of the left (addition property). 8+2=10. -2x=10 divide the -2 to both sides. x=-5 (division property).

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