3x + 11
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10 + 2(x - 1) + 7 x 3x + 1 =10 + 2x - 2 + (7 x 3x) + 1 =10 + 2x - 2 + 21x + 1 =2x + 21x + 10 - 2 + 1 =23x + 9
x^2 + 3x - 2; -x^2 - 3x + 2andx - 1; 1 - x
x + 3x - 10 = 5 - 4 4x - 10 = 1 4x = 1 + 10 x = 11/4
It is equivalent to: 3x+6+5 = 3x+11
3x + 2 = -10 3x = -12 x = -4