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How would i Solve the system x plus y equals 9comma -3 equals 2x - y?
Wiki User
∙ 14y ago
Rearrange the second equation to read 2x - y = -3
Add the two equations: 3x = 6:
Divide by 3: x = 2 so y = 7
Wiki User
∙ 14y ago
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You'd need another equation to sub in
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75
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You would take 2 and replace it for x in your other equation and solve.
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Can't be done unless you have another equation with the same x and y. Then you would solve for simultaneous equations.
How would you solve x cubed equals 400000?
You would have to take the cube root of 400000, which equals 73.68
How would use solve the system of equation x plus 3y equals 23 by using substitution?
You'd need another equation to sub in
How would you solve 47-28 equals?
75
How would you solve x equals 2 to find the y intercept?
You would take 2 and replace it for x in your other equation and solve.
What property would you use to solve x plus 34 equals -6?
28
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Z2 equals x2 plus y2?
What are we solving here for, Z, X, or Y?If solve for Z then the answer would be z = x + yIf solve for X then the answer would be z = z - yIf solve for Y than the answer would y = z - xHope this help.
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Because this equation has four variables, it would require four unique equations involving only these four variables to solve.
9x-5y-4 equals 0 Solve for y?
Can't be done unless you have another equation with the same x and y. Then you would solve for simultaneous equations.
How do you solve y equals 2x plus 24?
To solve for x you would first subtract 24 from each side. You would then divide both sides by 2. The answer is x=(y-24)/2
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When talking about a "system of equations", you would normally expect to have two or more equations. It is quite common to have as many equations as you have variables, so in this case you should have two equations.
How would you solve b equals Ah for h?
b = Ah divide both sides by A b/A = h
