En la ecuación Ax + 7 = Bx + 4, donde A y B son números reales distintos de 0. Entonces, ¿cuál debe ser el valor de (B – A) para que la solución de x en la ecuación sea 3? PD: La respuesta es 1, necesito la resolución del problema.

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old