Решити уравнения: 1.3x+3.8x+0.03=2.01

1.3x+3.8x=-0.03+2.01 5.1x-1.98 x=1.98/5.1 x=0.3

1.3x+3.8x+0.03=2.01 [latex]1 \frac{3}{10} x+3 \frac{8}{10} x+ \frac{3}{100} = 2 \frac{1}{100} [/latex] [latex] \frac{13}{10} x+ \frac{38}{10} x+ \frac{3}{100} = \frac{201}{100} [/latex] [latex] \frac{13+38}{10} x= \frac{201}{100} - \frac{3}{100} [/latex] [latex] \frac{51}{10} x= \frac{198}{100} [/latex] [latex] x= \frac{198}{100} : \frac{51}{10}[/latex] [latex] x= \frac{198}{100} * \frac{10}{51} = \frac{198*10}{100*51}[/latex] [latex] x= \frac{1980}{5100} = \frac{198}{510} = \frac{33}{85} [/latex] [latex] x= \frac{33}{85}[/latex] [latex]1 \frac{3}{10} * \frac{33}{85}+3 \frac{8}{10} *\frac{33}{85}+ \frac{3}{100} = 2 \frac{1}{100} [/latex] [latex]2 \frac{1}{100}=2 \frac{1}{100}[/latex] 2,01=2,01