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What is equivalent to expression 2(7x + 3 - x) ?
PLEASE DO STEP BY STEP

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Panoyinidn
2(7x + 3 - x)
2(7x - x + 3)
2(6x + 3)
2(6x) + 2(3)
12x + 6

First you must multiply through 2 times everything in parenthesis

2*7x= 14x

2*3= 6

2* -x= -2x

put it together:   14x+6-2x     combine the x's

12x+6   ( 14x-2x= 12x)



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