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22
2 times a number minus 17 plus 20 times a number minus 9 is the same as 2x - 17 + 20x - 9 = 22x - 26
2x + 3mn - 33n + 22x = 24x + 3m(n - 11)
-22x minus x equals -23x since they are both like terms and so can be combined into one term.
4
x3+13x2=-22xadd 22x to both sides:x3+13x2+22x=0now factor:x(x2+13x+22)=0x(x+11)(x+2)=0x=0x+11=0x+2=0Therefore the solution to this equation is x=0, x=-11, x=-2
It is an equation and the value of x is 7/19
22
-3x2 + 22x = 0 You start by dividing both sides by x: ∴ -3x + 22 = 0 Then rearrange to solve for x: ∴3x = 22 ∴ x = 7 + 1/3
It is a quadratic equation and the values of x are: -1/2 and 6
2 times a number minus 17 plus 20 times a number minus 9 is the same as 2x - 17 + 20x - 9 = 22x - 26
444+444+444+444=22x 1776=22x x80.73
-22x minus x equals -23x since they are both like terms and so can be combined into one term.
2x + 3mn - 33n + 22x = 24x + 3m(n - 11)
Factor out -2: -2(x squared +11x-20). This is fully factored.
x2 - 22x + 121 = (x - 11)2
22x