10x + (8-x) = -19
10x + 8 = x - 19
10x = x - 27
9x = 27
x = 3
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11x = 10x-19 Subtact 10x fromboth sides:- x = -19
2n plus 7 equals 19 2n equals 12 n equals 6
19 plus 54 equals 73. when you subtract like this x+19=73 X+19=73 -19 -73 0 54
14 + 19 = 33
X=2