2 + 4 = 6 x 3 = 18
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3+2*A+B*4/2-4 = 3 + 2A + 2B - 4 = 2A + 2B - 1
A / 3 * 6 + 4^Nd = 2A + 4^Nd
a = 4
2a + 3 - 9b - a - 7 Bring like terms together: = 2a - a - 9b + 3 - 7 Combine like terms: = a - 9b - 4
-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2