kevin45
kevin45 kevin45
  • 19-08-2015
  • Mathematics
contestada

-13=7d+64 what is the answer

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flavour5
flavour5 flavour5
  • 19-08-2015
Step 1: move 64 to a left side, -13 - 64 = 7d

Step 2: -77 = 7d

Step 3: [tex] \frac{-77}{7} [/tex] = d

Step 4: d = -11
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miney miney
  • 19-08-2015
it is d=11
because u subtract the negative 64 with a positive for a positive and negative turn 0 then u got to do the same side with -13-(-64)=7d then u add -13+-64=77 after u done that it will be 77=7d divide it by 7 on both side then u get d=11
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