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algbrea
3x5(3x7)= 2(x+9) + 45 3x15x+35= 2x+18 +45 12x + 35 = 2x+63 12x 28 = 2x 12 28 =x 40 =x 3x5(3x7)= 2(x+9) + 45 3x15x+35= 2x+18 +45 12x + 35 = 2x+63 10x+35=63 10x=28 x=2.8 you are both wrong! 3x  15x + 35 = 2x + 18 + 45 … 
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Solve by elimination 5x+y=2 3x+y=1 This is what I got : 3(5x+y=2) 5(3x+y=1) 15x+3y=6 15x5y=5 2y=1 2 2 Y=1/2 15x+3(1/2)=6 15x+3/2 =6 15x/15= 9/2 /15 X=3/10 
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I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem … 
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Which expression is equivalent? −5(−3x − 6) A) 15x + 30 B) 15x − 30 C) −15x + 30 D) −15x − 30