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4x*2+8x-9=0
We add all the numbers together, and all the variables
8x+4x*2-9=0
Wy multiply elements
8x+8x-9=0
We add all the numbers together, and all the variables
16x-9=0
We move all terms containing x to the left, all other terms to the right
16x=9
x=9/16
x=9/16
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