15×(x-2.6)=7.5 怎么算?

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15×(x-2.6)=7.5 怎么算?

15×(x-2.6)=7.5 怎么算?
15×(x-2.6)=7.5 怎么算?

15×(x-2.6)=7.5 怎么算?
15×(x-2.6)=7.5
x-2.6=0.5
x=3.1

15×(x-2.6)=7.5
x-2.6=7.5÷15
x-2.6=0.5
x=0.5+2.6
x=3.1

x-2.6=7.5 /15
x=0.5+2.6
x=3.1

用乘法分配律
15×(x-2.6)=7.5
15x-39=7.5
15x=46.5
x=3.1