Answer:
The answer is 15 over 2
Explanation:
3a-15=4a-3a
3a -15 = a subtract 3a
-3a -3a
-15=-2a Divide by -2
----- -----
-2 -2
-15 15
----- = ------
-2 2
a = 15/2
3a−15=4a−3a
Combine like terms
3a - 15 = a
Subtract 3a from each side
3a-3a−15=a−3a
-15 = -2a
Divide each side by -2
-15/-2 = -2a/-2
15/2 =a
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