luvyuhcandy
Answered

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7a-3=3-2a
I don't know how to solve this question

Sagot :

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7a-3=3-2a
9a-3=3 (add 2a to both sides)
9a=6 (add 3 to both sides)
a=6/9 (divide by 9 to both sides)
jbcarter2442
get all variables (in this case, "a") on one side by adding "2a" to both. this cancels the "-2a". then, combine like terms. also move "-3" to the other side, by adding "3". finally, divide the "6" and "a" by "9" to get variable alone. therefore, "a = 2/3".
7a-3=3-2a
+2a     +2a
9a-3=3
   +3  +3
    9a=6
      a=2/3

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