解方程、超简单.180-x+10=3(90-x)

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解方程、超简单.180-x+10=3(90-x)解方程、超简单.180-x+10=3(90-x)解方程、超简单.180-x+10=3(90-x)去括号:180-x+10=270-3x移项:180-27

解方程、超简单.180-x+10=3(90-x)
解方程、超简单.
180-x+10=3(90-x)

解方程、超简单.180-x+10=3(90-x)
去括号:180-x+10=270-3x
移项:180-270-x+3x+10=0
合并同类项:2x=80
系数化为一:x=40

40