Question

9x-30+2(x+20) =120.​

Answer 1

Answer:

9x-30+2x+40 = 120

or; 11x+10 = 120

or; 11x = 110

or; x = 10

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

9x - 30 + 2 ( x + 20 ) = 120

9x - 30 + 2x + 40 = 120

11x = - 30 + 40 - 120

11 x = - 110

so....

x = - 110 / 11

x = -10