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Mathematics
8 April, 13:10
7a-3=3-2a
I don't know how to solve this question
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Megan Beard
8 April, 13:15
0
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)
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Izabella Bowen
8 April, 13:32
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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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