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3x - 4y = 7
Try to find by trial and error what numbers you can put in for "x" and "y" to get 7
Your answers are x=5 and y=2
Check to see if these are correct...
3(5) - 4(2) = 7
15 - 8 = 7
7-7 Correct!
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Earn +20 ptsQ: Is (7 4) a solution of 3x - 4y 5?
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What is the solution for 3x-y equals 25 and 3x plus 4y equals 5?
Subtracting the second equation from first: 3x - y = 25 3x + 4y = 5 0x - 5y = 20 5y = -20 y = -4 Plugging y = -4 into either equation gives us x = 7, So x = 7 and y = -4
What is the slope of the line defined by the equation 3x - 4y equals 5?
4
What is 3x-4y-5 solve for x?
The given expression has no solution because without an equality sign it is not an equation.
What is the equation in its general form that passes through - 2 -3 and is perpendicular to 4x plus 3y -5 equals 0 showing work?
If: 4x+3y-5 = 0 then y = -4/3x+5/3 Perpendicular slope: 3/4 Perpendicular equation: y--3 = 3/4(x--2) => 4y+12 = 3x+6 => 4y = 3x-6 In its general form: 3x-4y-6 = 0
What is the solution of 3x-4y equals 1 and 6x plus 12y equals 7?
x = 3/5 and y = 1/5
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