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14 votes
If DF=70, find the value of x.

If DF=70, find the value of x.-example-1

2 Answers

10 votes

Answer: x=12

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

User Pubudu
by
4.7k points
1 vote

Answer:

x = 12

Explanation:

DE + EF = DF

2x - 1 + 5x - 13 = 70

7x - 14 = 70

7x = 70 + 14

= 84

x = 84 รท 7

x = 12

User Rob Eroh
by
4.7k points