9x+5+8=58怎么解

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9x+5+8=58怎么解
9x+5+8=58怎么解

9x+5+8=58怎么解
9x=58-5-8
9x=45
x=5

5

移项9x=45
x=5

9x+5+8=58
9x=45
x=5

9x=58-5-8
9x=45
x=5

9x=45,x=5

9x+5+8=58
9x=58-8-5
9x=45
x=45/9
x=5

9X+5+8=58
9X=58-5-8
9X=45
X=5

9x+5+8=58
9x=58-8-5
9x=45
x=45/9
x=5

x=(58-5-8)/9
x=9/45
x=5

9x+5+8=58
9x=58-8-5
9x=45
x=45/9
x=5

9x=58-5-8
9x=53-8
9x=45
x=5

9x+5+8=58
9x+5+8-8 =58-8
9x+5=50
9x+5-5=50-5
9x=45
x = 5