psirivongkhanth psirivongkhanth

30-09-2021
Mathematics

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If mZDEF= 117°, find the value of x.

If mZDEF 117 find the value of x class=

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KurdishPotato KurdishPotato

30-09-2021

Answer:

x = 7

Step-by-step explanation:

m<DEF is the sum of m<DEG and m<GEF

12x + 1 + 5x - 3 = 117 add like terms

17x - 2 = 117 add 2 to bot sides

17x = 119 divide both sides by 17

x = 7

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