解方程:x-28=5*(x-64)怎么解?

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解方程:x-28=5*(x-64)怎么解?

解方程:x-28=5*(x-64)怎么解?
解方程:x-28=5*(x-64)怎么解?

解方程:x-28=5*(x-64)怎么解?
x-28=5*(x-64)
x-28=5x-5*64
5x-x=5*64-28
4x=292
x=292÷4
x=73

x-28=5*(x-64)
x-28=5x-320
5x-x=320-28
4x=292
x=292/4
x=73

你好,非常高兴回答你的提问
x-28=5*(x-64)
x-28=5x-320
x-5x=-320+28
-4x=-292
x=292÷4
x=73

先将等式右边展开,得x-28=5x-320
移项变号,得 320-28=5x-x
即:292=4x,解得x=73

X-28=5X-320移项得4X=292解得X=73

x-28=5*(x-64)
x-28=5x-320
-28+320=5x-x
292=4x
x=73

x-28=5x-5*64
4x=5*64-28
x=5*16-7
x=73