Amar2020 Amar2020

15-01-2021
Mathematics

contestada

If DF=70, find the value of x.

If DF70 find the value of x class=

Respuesta :

NgShiYin NgShiYin

15-01-2021

Answer:

x = 12

Step-by-step explanation:

DE + EF = DF

2x - 1 + 5x - 13 = 70

7x - 14 = 70

7x = 70 + 14

= 84

x = 84 ÷ 7

x = 12

Answer Link

ninaac39 ninaac39

15-01-2021

Answer: x=12

Step-by-step explanation:

2x-1+5x-13=70

Combine like terms

7x-14=70

Add 14 to both sides

7x=84

Divide both sides by 7

X=12

Answer Link

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