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Algebra
Pregunta

A plumber charges \( \$ 130 \) to start a job plus...

A plumber charges \( \$ 130 \) to start a job plus \( \$ 56 \) per hour. How many hours did she work if the total bill is \( \$ 214 ? \) This problem can be modeled with this equation: Step 1: Which operation should be performed to isolate the variable term? Apply the \( \square \vee \) property of equality. \( 130 + 56 x = 214 \) . 

Answer

 

x=1.5

Solución
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