{×+5} + {3×+5}=60 then x=?
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(x+5) +(3x+5)=60
x+5+3x+5=60
4x+10=60
4x=60-10
4x=50
x=50/4=12.5
x+5+3x+5=60
4x+10=60
4x=60-10
4x=50
x=50/4=12.5
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