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rebecca1233
Sally worked the following equation on her paper. She checked her answer and found that is was incorrect. Identify her mistakes and explain to her how to correct them. (hint: There are 2 mistakes.)
3(8x-2) = 46 - 2(12x+1) 24x-6 = 46 - 24x + 2 24x -6 = 48 - 24x 48-6 = 48 48x = 42 x=42/48 or 7/8
24x-6 = 46 - 24x + 2 48-6 = 48
First mistake: -2(12x+1)=-24x+2 It should be -24x-2
Second mistake: 48-6=48
because it wouldnt equal the same amount correct?
can u help me solve this please Solve the following equation and show your work. 2x + 2(x + 3) = 2(x + 7)