please solve this please..
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11 Answer
5x+7x+(-6x)
12x+(-6x)
= 6x
13 Answer
8x-3= 9-2x
8x-2x= 9-3
6x = 6
x =6/6
x= 1
12 Answer
3a² × 8a⁴
= 24a⁶
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