QUESTION IMAGE
Question
the measures of the angles of a triangle are shown in the figure below. solve for x.
Step1: Usar la suma de ángulos en un triángulo
La suma de los ángulos internos de un triángulo es \(180^{\circ}\). Entonces, \(74^{\circ}+40^{\circ}+(8x - 19)^{\circ}=180^{\circ}\).
Step2: Simplificar la ecuación
Sumar \(74 + 40-19\): \(74 + 40=114\), \(114-19 = 95\). La ecuación se convierte en \(95+8x=180\).
Step3: Resolver para \(x\)
Restar \(95\) de ambos lados: \(8x=180 - 95\), \(8x=85\). Luego, dividir por \(8\): \(x=\frac{85}{8}=10.625\).
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\(x = 10.625\)