1/3у-4=1/4у-5
(1/3-1/4)у=(-5)+4
1/12у=(-1)
у=(-1)÷1/12=(-12)
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-2m+(4m-1/3m) +m=(-2)m+11/3m+m=3 2/3m-m=2 2/3m
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3,5-(2,3-3,7)=3,5-(-1,4)=3,5+1,4=4,9
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7,3-(1,5-8,3)=7,3-(-6,8)=7,3+6,8=14,1
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(-3/4)×(-2/7)x=3/14x
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(-3)×2/12x=(-6/12)x=(-1/2)x
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.....(само уравнение)
2х-6=2х-4,5
2х-2х=6-4,5
0х=1,5=0