ilovekpop75 ilovekpop75
  • 03-10-2018
  • Mathematics
contestada

solve for the equation 4a-8=28

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sealio sealio
  • 03-10-2018
4a-8=28
add 8 to both sides to start to isolate the variable (a)
-8+8 cancels each other out
28+8=36
4a=36
to completely isolate the variable divide both sides by 4
4a÷4=a
36÷4=9
a=9
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