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5x-4y+9y+x-9+7 = 5x + x - 4y + 9y - 9 + 7 = 6x + 5y - 2 ■
9y - 4x
I x=5 and y=2, then (5x5)=25 plus (9x2)=18. 25+18=43
Y-8x plus 9y equals 10y-8x.
9y+3 = 5y+13 9y-5y = 13-3 4y = 10 y =2.5
The variables have no known values and as an expression it is: 5x+9y+5
5x-4y+9y+x-9+7 = 5x + x - 4y + 9y - 9 + 7 = 6x + 5y - 2 ■
Slope-intercept form is y = mx + b5x + 9y = -36Subtract 5x from each side:9y = -5x - 36Divide everything by 9:y = -5/9x - 4
x = 2, y = 1
It is 12x + 11y + 9.
13x - 9y - 10
Splitting the equation up into the two variables: x + 4x = 5x -7y + -2y = -9y Therefore, the simplified version is: 5x - 9y
5x(6x + 9y + 2)
5x + 9y-3 is a trinomial term true of false
It is an algebraic expression that can be simplified to: 5x+9y+5
5x + 6y + 3y - 2x you have to add like terms. add the y terms and then the x terms 9y + 3x this is your answer
5x + 9y = 06x + 6y = 2 use substitution method5x + 9y = 0y = -5x/96x + 6y = 2 substitute y with -5x/96x + 6(-5x/9) = 26x - 30x/9 = 2 multiply by 9 to both sides54x - 30x = 1824x = 18x = 24/18 = 4/3y = -5x/9 = (-5/9)x substitute x with 4/3y = (-5/9)(4/3) = -20/27Thus the solution is x = 4/3 and y = -20/27.