tracykennedy81 tracykennedy81
  • 26-01-2017
  • Mathematics
contestada

Step 1: 1x-21+3=7 step 2: 1x-21=7-3 step 3: 1x-21=4 what would the next step be to solve equation

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kate7505 kate7505
  • 26-01-2017
add 21 to both sides
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