Question

129 × 3 = (3 x 9) + (3 x ?)
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Answer 1

Answer:

120

Step-by-step explanation:

129x3=387

3x9=27

387-27=360

360/3=120

Answer 2

Answer:

120

Step-by-step explanation:

129*3 = (3*9) +(3*?)

129*3 = 27 + (3*?)

129 = [27+(3*?)]/3

129 = 27/3 +(3*?)/3

129 = 9+?

129-9=?

120 =?

?=120 answer...

I hope it will help you.