Question

solve the following 7x+15=11x-21​

Answer 1

Answer:

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Step-by-step explanation:

7x + 15 = 11x - 21

7x - 11x = -21 - 15

-4x = - 36

x = 9

Answer 2

$7x + 15 = 11x - 21 \\ = 15 + 21 = 11x - 7x \\ =36 = 4x \\ x = 36 \div 4 \\ x = 9$

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