Find X in the triangles

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Steve Godfrey asked Jan 15, 2022

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35 votes

Find X in the triangles

Mathematics
high-school

Steve Godfrey asked Jan 15, 2022

by Steve Godfrey

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Answer:

8. 14x+6+16x+4=130

30x+10=130

30x+10-10=130-10

30x=120

x=4

10. 11x+3-85=5x-10

11x+3-85-5x=5x-10-5x

6x+3-85=-10

6x+3-3-85+85=-10-3+85

6x=72

x=12

Explanation:

Toongeorges answered Jan 19, 2022

by Toongeorges

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