0.26(x-5)=0.91,

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0.26(x-5)=0.91,0.26(x-5)=0.91,0.26(x-5)=0.91,0.26(x-5)=0.91x-5=0.91÷0.26x-5=3.5x=3.5+5x=8.50.26x-1.3

0.26(x-5)=0.91,
0.26(x-5)=0.91,

0.26(x-5)=0.91,
0.26(x-5)=0.91
x-5=0.91÷0.26
x-5=3.5
x=3.5+5
x=8.5

0.26x-1.3=0.91
0.26x=2.21
x=8.5

0.26(x-5)=0.91,
x-5=3.5
x=8.5

用方程解答 4.2(X—2)=8.4 x-2=8.4/4.2=2 x=2+2=4 8.7(X-5.9)=0 x-5.9=0 x=5.9 4.2(X—2)=8.4 x-2=

0.91/0.26 +5=8.5