x - 3x + 4 = 3 - 9
simplify
-2x + 4 = -6
-4 -4
-2x = -10
/-2 /-2
x = 5
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r = 25
4 - (-39) = 4 + 39 = 43
The answer is 39.7 + 8 = 15 + 4 = 19 + 7 = 26 + 5 = 31+ 6 = 37 + 2 =39
1 plus 1 plus 1 plus 1 equals 1 times 4. 1 times 4 equals 4. 4 minus 4 equals 0. 0
-4 plus 10 equals 6.