定义“*”运算为“a*b=ab+2b,若“(3*x)+(x*3)”=14,则x的值为多少?
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![定义“*”运算为“a*b=ab+2b,若“(3*x)+(x*3)”=14,则x的值为多少?](/uploads/image/z/1632891-3-1.jpg?t=%E5%AE%9A%E4%B9%89%E2%80%9C%2A%E2%80%9D%E8%BF%90%E7%AE%97%E4%B8%BA%E2%80%9Ca%2Ab%3Dab%2B2b%2C%E8%8B%A5%E2%80%9C%283%2Ax%29%2B%28x%2A3%29%E2%80%9D%3D14%2C%E5%88%99x%E7%9A%84%E5%80%BC%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
定义“*”运算为“a*b=ab+2b,若“(3*x)+(x*3)”=14,则x的值为多少?
定义“*”运算为“a*b=ab+2b,若“(3*x)+(x*3)”=14,则x的值为多少?
定义“*”运算为“a*b=ab+2b,若“(3*x)+(x*3)”=14,则x的值为多少?
(3*x)+(x*3)
=3x+2x+3x+6=14
8x=8
x=1