Question

x+5x-4=18-2x
3x-2+7x=7-1
4(2x+3)-2x=4x+20
34=3x-6+2x

Answer 1

Respuesta:

$x + 5x - 4 = 18 - 2x \\6x - 4 = 18 - 2x \\ 6x + 2x = 18 + 4 \\ 8x = 22 \\ x = \frac{22}{8} \\ x = \frac{11}{4} \\ \\ 3x - 2 + 7x = 7 - 1 \\ 10x - 2 = 6 \\ 10x = 6 + 2 \\ 10x = 8 \\ x = \frac{8}{10} \\ x = \frac{4}{5}$

Explicación paso a paso:

$4(2x + 3) - 2x = 4x + 20 \\8x + 12 - 2x = 4x + 20 \\ 6x + 12 = 4x + 20 \\ 6x - 4x = 20 - 12 \\ 2x = 8 \\ x = 8 \div 2 \\ x = 4 \\ \\ 34 = 3x - 6 + 2x \\ 34 = 5x - 6 \\ 34 + 6 = 5x \\ 40 = 5x \\ 40 \div 5 = x \\ 8 = x$