3 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics

2 answers:

nata0808 [166]3 years ago

7 0

Answer:

$\frac{0.2x + 1}{7} = 0.4 \\ 0.2x + 1 =0.4 \times 7 \\ 0.2x + 1 = 2.8 \\ 0.2x = 2.8 - 1 \\ 0.2x = 1.8 \\ x = \frac{1.8}{0.2} \\ \boxed{x = 9}$

x = 9 is the right answer.

emmainna [20.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

0.2x+1/7=0.4

multiply 7 on both sides.

you get….

0.2x+1=2.8

Minus 1 on both sides.

0.2x= 1.8

divide .2 on both sides

x=9!

I hope you get it!!

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