How do you solve $55 x - 3 (9 x + 12) = - 64$ $55x- 3 (9x+ 12) =-64$ ?

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Answer 1 · 2015-11-05T11:28:57

55x-3(9x+12)=-64
55x - 27x -36 = -64
28x-36=-64
28x=-64+36
28x=-28
X=-1

Fisrt u must time the bracket. Remember that the three have negative signs. So u must multiple with negative signs too. Then u solve like usually.

How do you solve 55x−3(9x+12)=−6455x- 3 (9x+ 12) =-64?