Answer:
3x + 14
Step-by-step explanation:
2 x 3x = 6x 2 x 7 = 14, 6x + 4x = 10x - 7x = 3x + 14
therefore its:
3x+14
4x+2(3x+7)-7x
4x-7x+2(3x+7)
-3x+2(3x+7)
-3x+(2*3x+2*7)
-3x+(6x+14)
-3x+6x+14
answer: 3x+14
