Jo223
Jo223
21-11-2016
Mathematics
contestada
Solve 2x-y-2z=10 4x+2y-5z=10 x-3y+5=8
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lexicook0915
lexicook0915
21-11-2016
Id write out my steps but it'd take a long time, but your answer is:
x=-21
y=-8
z=-22
to check my answer just substitute the numbers into the problems and it should be correct :)
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