(X-5)乘以5=3X+5怎么解
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(X-5)乘以5=3X+5怎么解(X-5)乘以5=3X+5怎么解(X-5)乘以5=3X+5怎么解5x-25=3x+55x-3x=25+52x=30x=15(x-5)×5=3x+55x-25=3x+55
(X-5)乘以5=3X+5怎么解
(X-5)乘以5=3X+5怎么解
(X-5)乘以5=3X+5怎么解
5x-25=3x+5
5x-3x=25+5
2x=30
x=15
(x-5)×5=3x+5
5x-25=3x+5
5x-3x=25+5
2x=30
x=30÷2
x=15
别忘了,其实,X前面还有一个隐形的1
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