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39 votes
39 votes
I need help please :(

I need help please :(-example-1
User Siavolt
by
2.6k points

2 Answers

24 votes
24 votes

Answer:

7

Explanation:

(12x + 1) + (5x - 3) = 117

17x - 2 = 117 Combine like terms

17x = 119 Add 2 to both sides

x = 7 Divide both sides by 17

User StackOverthrow
by
3.3k points
27 votes
27 votes

Answer:

x = 7

Explanation:

Given:

∠DEF = 117°

∠DEG = (12x + 1)°

∠GEF = (5x - 3)°

Find:

value of x

Computation:

∠DEF = ∠DEG + ∠GEF

117° = (12x + 1)° + (5x - 3)°

117° = 17 x - 2

x = 7

User Ken Kuan
by
3.2k points