Solve 13x-4-9x+20=0 a.-6 b.-4 c.6 d.-12/11

QUESTION POSTED AT 18/04/2020 - 07:02 PM

Answered by admin AT 18/04/2020 - 07:02 PM

Grab all the x terms together and move all the constants to the right.

13x-9x = 4-20
4x = -16
x = -4
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