Question

ecuaciones.... me ayudan porfa.

1) X -7/4 = 16/6 -------5) X 2 = 100/49
2) X -7/5 = -12 /5 --------- 6) =6/11
3) 2.X =24/5 -------7)2/3X + 5/3 =7/3
4) 2.X = -12/7 ---------8)1/6X -13/6 = -5/6
9)2X -2/5 = 10/3 ------------10) X: 3 +5/2 = -3/8

Answer 1

Respuesta:

$x - \frac{7}{4} = \frac{16}{6} \\ x = \frac{16}{6} + \frac{7}{4} \\ x = \frac{2(16) + 3(7)}{12} \\ x = \frac{53}{12} \\ x = 4 \times \frac{5}{12} \\ \\ x - \frac{7}{5} = - \frac{12}{5} \\ x = - \frac{12}{5} + \frac{7}{5} \\ x = - 1 \\ \\ 2x = \frac{24}{5} \\ x = \frac{ \frac{24}{5} }{2} \\ x = \frac{24}{10} \\ x = 2 \times \frac{2}{5} \\ \\ 2x = - \frac{12}{7} \\ x = \frac{ - \frac{12}{7} }{2} \\ x = - \frac{12}{14} \\ x = - \frac{6}{7} \\ \\ 2x - \frac{2}{5} = \frac{10}{3} \\2 x = \frac{50 + 6}{15} \\ x = \frac{ \frac{56}{15} }{2} \\ x = \frac{56}{30} \\ x = 1 \times \frac{13}{15} \\ \\ {x}^{2} = \frac{100}{49} \\ x = \sqrt{ \frac{100}{49} } \\ x = \frac{10}{7} \\ x = 1 \times \frac{3}{7} \\ \\ \frac{2}{3} x + \frac{5}{3} = \frac{7}{3} \\ \\ \frac{2}{3} x = \frac{2}{3} \\ x = 1 \\ \\ \frac{1}{6} x - \frac{13}{6} = - \frac{5}{6} \\ \frac{1}{6}x = \frac{8}{6} \\ x = 8 \\ \\ x \div 3 + \frac{5}{2} = - \frac{3}{8} \\ x \div 3 = - \frac{23}{8} \\ x = - \frac{69}{8} \\ x = - 8 \times \frac{5}{8}$