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Lauren says two expression 3x+4(2x+5) and 6x+5x+5 are equivalent

Lauren says two expression 3x+4(2x+5) and 6x+5x+5 are equivalent
asked 9.8k views
2 votes
Lauren says two expression 3x+4(2x+5) and 6x+5x+5 are equivalent

asked
User Mmswe
by
7.9k points

2 Answers

4 votes
3x+4(2x+5) = 6x + 5x + 5
3x + 8x + 20 = 6x + 5x + 5
11x + 20 = 11x + 5
11x - 11x = 5 - 20
0 = -15
Impossible
So Lauren is wrong. this 2 expressions are not equivalent
answered
User Naki
by
8.3k points
4 votes

\#1\\3x+4(2x+5)=3x+4(2x)+4(5)=3x+8x+20=11x+20\\\\\#2\\6x+5x+5=11x+5\\\\Answer:\boxed{not\ equivalent}
answered
User Markus Fischer
by
8.5k points
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