vicenlysamantha13 vicenlysamantha13

10-12-2021
Mathematics

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Given: 3(7x-9)-19x=-15
Prove: x=6

Given 37x919x15 Prove x6 class=

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tinybooyah tinybooyah

10-12-2021

Step-by-step explanation:

3(7x-9)-19x = -15

21x-27-19x = -15

2x-27 = -15

2x = -15+27

2x = 12

x = 6

prove x = 6

Substitute x=6 into the equation.

3(7(6)-9)-19(6) = -15

3(42-9)-114 = -15

3(33)-114 = -15

99-114 = -15

-15 = -15 True✓

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