解方程X+25 = 3(X-1)

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解方程X+25=3(X-1)解方程X+25=3(X-1)解方程X+25=3(X-1)X+25=3(X-1)X+25=3X-325+3=3X-X28=2XX=14X+25=3(X-1)X+25=3X-3

解方程X+25 = 3(X-1)
解方程X+25 = 3(X-1)

解方程X+25 = 3(X-1)
X+25 = 3(X-1)
X+25=3X-3
25+3=3X-X
28=2X
X=14

X+25 = 3(X-1)
X+25 = 3X-3
2X=25+3
X=14