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受欢迎的代数 >

0.5p+5=0.1(p+8)+0.4(p+1)

解答

0.5 p + 5 = 0.1 (p + 8) + 0.4 (p + 1)

解答

无解

求解步骤

0.5 p + 5 = 0.1 (p + 8) + 0.4 (p + 1)

To eliminate decimal points, multiply by 10 for every digit after the decimal pointThere is one digit to the right of the decimal point, therefore multiply by

10

0.5 p \cdot 10 + 5 \cdot 10 = 0.1 (p + 8) \cdot 10 + 0.4 (p + 1) \cdot 10

整理后得

5 p + 50 = p + 8 + 4 (p + 1)

展开

p + 8 + 4 (p + 1) : 5 p + 12

5 p + 50 = 5 p + 12

将

50

到右边

5 p = 5 p - 38

将

5 p

para o lado esquerdo

0 = - 38

两侧不相等

无解

作图

流行的例子

6-y=((y-2)^2)/2

6 - y = \frac{( y - 2 ) ^{2}}{2}

0 = x^{2} - 3 x + 2

x + 10 = 3 (x - 1)^{2}

longmult 50*0.2

l o n g m u lt 50 \cdot 0.2

16 x^{2} - 8 x + 6 = 5