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9
9y-11=7 +11 +11 9y=18 y=2
9y - 18 = 3y subtract 3y from both sides 6y - 18 = 0 add 18 to both sides 6y = 18 divide by 6 on both sides y = 3
9y + 10 = - 8 subtract 10 from both sides 9y = -18 Divide by 9 on both sides y = -2
To solve the system of equations (3x + 9y = -18) and (-3x + 10y = 18) by elimination, we can add the two equations together to eliminate (x). This results in ( (3x - 3x) + (9y + 10y) = -18 + 18), simplifying to (19y = 0), which gives (y = 0). Substituting (y = 0) back into either equation, such as (3x + 9(0) = -18), results in (3x = -18), leading to (x = -6). Thus, the solution is (x = -6) and (y = 0).
9
9y-11=7 +11 +11 9y=18 y=2
The GCF is 9.
x - 9y = 18At the x-intercept, y=0 :x = 18At the y-intercept, x=0 :-9y = 18-y = 2y = -2
9y - 18 = 3y subtract 3y from both sides 6y - 18 = 0 add 18 to both sides 6y = 18 divide by 6 on both sides y = 3
Answer: The x-intercept of the line is -6 and the y-intercept of the line is 2. Solution: The x-intercept of a line is the x-coordinate of a point where the line intersects the x-axis. Solve for this by substituting y = 0. -3x + 9y = 18 -3x + 9(0) = 18 -3x = 18 x = 18/-3 x = -6 The y-intercept of a line is the y-coordinate of a point where the line intersects the y-axis. Solve for this by substituting x = 0. -3x + 9y = 18 -3(0) + 9y = 18 9y = 18 y = 18/9 y = 2
12y+3=9y-15 3y=-18 y=-6
9y + 10 = - 8 subtract 10 from both sides 9y = -18 Divide by 9 on both sides y = -2
The GCF is 9y^2.
x=9 y=1
If you mean: -4.5x+9y = 18 then it is a straight line equation
To solve the system of equations (3x + 9y = -18) and (-3x + 10y = 18) by elimination, we can add the two equations together to eliminate (x). This results in ( (3x - 3x) + (9y + 10y) = -18 + 18), simplifying to (19y = 0), which gives (y = 0). Substituting (y = 0) back into either equation, such as (3x + 9(0) = -18), results in (3x = -18), leading to (x = -6). Thus, the solution is (x = -6) and (y = 0).