Write as an equation with division before subtraction.
5/11x-7=2
5/11x=9 mult both sides by 11x
5=99x
99x=5
x=5/99
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12x - 5 = 11x + 5(1) add 5 to both sides:12x - 5 + 5 = 11x + 5 + 512x = 11x + 10(2) next subtract 11x from both sides:12x - 11x = 11x - 11x + 10x = 10
11x = 8x-6.............. 11x-8x = -6................... 3x= -6 x = -2
11x(2x - 1) = 0 so either 11x = 0 or x = ½
X2+11x+11 = 7x+9 X2+11x-7x+11-9 = 0 x2+4x+2 = 0 Solve as a quadratic equation by using the quadratic equation formula or by completing the square: x = -2 + or - the square root of 2
-3x + 6 + 15x =11x + 8 ie -3x + 15x - 11x = 8 - 6 ie x = 2