7x + 2 = 6x + 2 if and only x = 0.
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7x + 7 + 6x - 9 = 13x - 2
7x-4=x+2 7x=x+2+4 7x=x+6 7x-x=6 6x=6 X=1
6x - 14 + 15x + 2 =21x - 12or3 (7x - 4)
what is 7x to the third power + 6x to the second - 2
x2 plus 6x-2 equal -2x2 plus x ..=7x equal -3x2 ..4x=2x=2 answer ..check it if u dont want to trust ..Improved Answer:x2+6x-2 = -2x2+xx2+2x2+6x-x-2 = 03x2+5x-2 = 0(3x-1)(x+2) = 0x = 1/3 or x = -2The answer can be checked by using the quadratic equation formula.