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Mathematics 11 Online
OpenStudy (anonymous):

3(4x+14)=10x-2(x-7)

OpenStudy (anonymous):

expand, gather like terms and compute.\[3(4x+14)=10x-2(x-7)\]\[12x+42=10x-2x+14\]\[12x-10x+2x=14-42\]\[4x=-28\] divide both sides by 4 and simplify the fraction.

OpenStudy (anonymous):

12x+42=10x-2x+14 12x+10x-2x=42+14 20x=56 x=2.8

OpenStudy (anonymous):

xxHlxx, should be -10x in the second line

OpenStudy (anonymous):

oh yeah... lol

OpenStudy (anonymous):

3(4x+14)=10x-2(x-7) 12x+42=10x-2x+14 12x-8x=-42+14 4x=-28 x=28/4 x=-7

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