ambersmithhowel ambersmithhowel

09-03-2016
Mathematics

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solve the equation 8x -12=5x+15

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Аноним Аноним

09-03-2016

Add 1212 to both sides
8x=5x+15+128x=5x+15+12
2 Simplify 5x+15+125x+15+12 to 5x+275x+27
8x=5x+278x=5x+27
3 Subtract 5x5x from both sides
8x−5x=278x−5x=27
4 Simplify 8x−5x8x−5x to 3x3x
3x=273x=27
5 Divide both sides by 33
x=273x=273
6 Simplify 273273 to 99
x=9x=9

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