Math Help 3!!!!?

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1. 5b = b+b+b+b
2. 2t - 5 + 7t = 9t - 5
3. 9(3-2x) = 27 - 2x
4.8+11+y-y=19
5.12z/ z+3z=12+3z

2007-02-08 14:17:56 · 2 answers · asked by ? 2 in Education & Reference ➔ Homework Help

2 answers

when you have () you multiply the out side number/variable through everything inside.
So 2x(3x+4) = 6x^2 + 8x
and the answer to #3 is 27-18x

2007-02-08 14:31:12 · answer #1 · answered by micah maehame 2 · 0⤊ 0⤋

1 is not true
2 is true
3 is not true
4 is true
5 is true

this isnt really hard. you're going to need to learn this material. so check your book and check these answers and figure out and learn why those are the answers.

2007-02-08 14:33:26 · answer #2 · answered by xx x 2 · 0⤊ 0⤋