If you mean: 4x -2 = 86 then the value of x is 22 when solved
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The math problem 4x plus 7 times 31 equals 8. This is taught in math.
3X + 6 + X = 86 add the like terms, X's, together 4X + 6 = 86 subtract 6 from each side 4X = 80 divide both sides by 4 X = 20 check 3(20) +6 + (20) = 86 86 = 86 checks
combine like terms. 3x+1+4x-5=31 3x+4x=7x 7x+1-5=31 1-5=-4 7x-4=31 then solve it 7x=35 x=5
ANSWER: -4X2 -8X-4x (x+2)= (-4x * x) + (-4x*2)= -4X2 -8X
4x * x = 4x^2