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What are the mathematical symbols between '3' & '15' and also between '15' & '2y' ???
- . - . X. / . = .
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What is 8y-7 equals 23-2y?
let's solve this problem:-the first step; (find the 'y')8y-7 = 23 -2y8y+2y = 23+710y = 30y = 30:10y = 3-the second step; (change the 'y' with '3')8(3) -7 = 23 -2(3)24 -7 = 23 -617 = 17well, The conclusion and the answer is;8y -7 = 23 - 2y --> is True Equal ;)
Solving by subsitution x - 2y equals 0 4x - 3y equals 15?
x - 2y = 04x - 3y = 15From the first equation, x = 2y.SUBSTITUTING this value of x in the second equation,4*(2y) - 3y = 15 ie 8y - 3y = 15 or 5y = 15 so that y = 3and then, x = 2y gives x = 2*3 = 6Answer: x = 6, y = 3
Solve 5x 2y5 and 3x-4y-23 using elimination?
5x - 4y ≥ -203x - 2y ≤ -8y ≥ -3
How do i find the Y-intercept of 4x plus 8y equals 24?
First, solve for y:4x + 8y = 24∴ x + 2y = 6∴2y = 6 - x∴ y = 3 - x/2Let y = 0:0 = 3 - x/2∴ x / 2 = 3∴ x = 6So the y-intercept occurs at the point (6, 0)
How do you solve this linear system using elimination method 4x-2y equals 6 and -7x plus 2y equals -15?
4x-2y = 6 -7x+2y = -15 Add both equations together in order to eliminate y: -3x = -9 Divide both sides by -3 in order to find the value of x: x = 3 Substitute the value of x into the original equations to find the value of y: Solution: x = 3 and y = 3
