If the equation is 6a = 57, then divide both sides by 6.
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6a + 4 = 5a - 2 means that 6a - 5a = -2 - 4 which gives a = -6
Oh, come on! 6a - 5a = a, 7 - 5 = 2
6A - 58 = 44 Add 58 to both sides: 6A = 102 Divide both sides by 6: A = 17
-24 = 6a - 15 - 5aCollect the "a" terms:-24 = a - 15Add 15 to both sides:-9 = aSo a = -9.
Divide each side by 6: a = 6