Question

Ayuda porfis ^^se los agradecería mucho​

Answer 1

Respuesta:

$3x + 1 = 31 \\ 3x = 31 - 1 \\ 3x = 30 \\ x = 10$

$3x + 1 = 31 \\ 3(10) + 1 = 31 \\ 31 = 31$

$7x + 1 = 36 \\ 7x = 36 - 1 \\ 7x = 35 \\ x = 5$

$7x + 1 = 36 \\ 7(5) + 1 =36 \\ 35 + 1 = 36 \\ 36 = 36$

$9x + 1 = 91 \\ 9x = 91 - 1 \\ 9x = 90 \\ x = 10$

$9x + 1 = 91 \\ 9(10) + 1 = 91 \\ 91 = 91$

$2x + 9 = 13 \\ 2x = 13 - 9 \\ 2x = 4 \\ x = 2$

$2x + 9 = 13 \\ 2(2) + 9 = 13 \\ 4 + 9 = 13 \\ 13 = 13$

$8x + 8 = 64 \\ 8x = 64 - 8 \\ 8x = 56 \\ x = 7$

$8x + 8 = 64 \\ 8(7) + 8 = 64 \\ 56 + 8 = 64 \\ 64 = 64$

$3 x + 3 = 27 \\ 3x = 27 - 3 \\ 3x = 24 \\ x = 8$

$3x + 3 = 27 \\ 3(8) + 3 = 27 \\ 24 + 3 = 27 \\ 27 = 27$

$3x + 9 = 30 \\ 3x = 30 - 9 \\ 3x = 21 \\ x = 7$

$3x + 9 = 30 \\ 3(7) + 9 = 30 \\ 21 + 9 = 30 \\ 30 = 30$

$1x + 3 = 8 \\ x = 8 - 3 \\ x = 5$

$1x + 3 = 8 \\ 1(5) + 3 = 8 \\ 5 + 3 = 8 \\ 8 = 8$

$4x + 2 = 26 \\ 4x = 26 - 2 \\ 4x = 24 \\ x = 6$

$4x + 2 = 26 \\ 4(6) + 2 = 26 \\ 24 + 2 = 26 \\ 26 = 26$