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01-12-2015
Mathematics

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1.) 2x+8+4x-5
2.) b +72y-4.2y+1
3.) 10r-5+3+r
4.) 3x+14 -x -15
5.) -6.6z+11+1.3+ +2z

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01-12-2015

1) [tex]2x + 8 + 4x - 5[/tex] = 6x + 3

2) [tex]b + 72y - 4.2y + 1[/tex] = b + 67.8y + 1

3) [tex]10r - 5 + 3 + r[/tex] = 11r - 2

4) [tex]3x + 14 - x - 15[/tex] = 2x - 1

5) [tex]-6.6z + 11 + 1.3 + 2z[/tex] = -4.6z + 12.3

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