Question

Ecuación
3b-4=1b+18
​

Answer 1

Respuesta:

$3b - 4 = 1b + 18 \\ 3b - 4 + 4 = 1b + 18 + 4 \\ 3b = 1b + 22 \\ 3b - 1b = 1b + 22 - 1b \\ 2b = 22 \\ \frac{2b}{2} = \frac{22}{2} \\ b = 11$

Explicación paso a paso:

Comprobacion:

$3b - 4 = 1b + 18 \\ 3(11) - 4 = 1(11) + 18 \\ 33 - 4 = 11 + 8 \\ 29 = 29$