AmareWilliams AmareWilliams

30-10-2020
Mathematics

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cduesburyl16 cduesburyl16

30-10-2020

Answer:

86°

Step-by-step explanation:

7x+11x+9=135

18x+9=135

minus 9 from both sides

18x=126

126/18=7

x=7

BDC = 11x+9

11x7=77

77+9=86

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