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Q: X plus y plus z equals 9 and x plus 2y plus 3z equals 23 and x plus 5y-3Z equals -7 solve for x and y and z?

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23

X = 12

-4x+3 = 23+6x -4x-6x = 23-3 -10x = 20 x = -2

Collect the like terms;42x-23 = 940Add 23 to both sides;42x = 963Divide both sides by 42;x = 963/42

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Related questions

23

It does not help you.

X = 12

By including its plus or minus signs

h + 23 = 32 Subtract 23 from both sides: h = 32 - 23 = 9

-4x+3 = 23+6x -4x-6x = 23-3 -10x = 20 x = -2

the answer

Solve this system of equations. 5x+3y+z=-29 x-3y+2z=23 14x-2y+3z=-18 Write the solution as an ordered triple.

15+b = 23 Subtract 15 from both sides b = 8

23 plus 7684235 equals 7684258.

If A is a variable that you are solving for and the problem is A + 5 = 23 then you subtract 5 from both sides to solve for A... A + 5 - 5 = 23 - 5 Simplify... A = 18

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