Answer: <em>3</em>
Step-by-step explanation:
<em>Take your equation x-1=2</em>
<em>Now put 3 in for x</em>
<em>3-1=2</em>
<em>2=2</em>
<em>x=3</em>
Seja E a expressão que queremos calcular:
Answer:So its simple just forget about the letters add the numbers then place the letter and x
Step-by-step explanation: ( Always Parentheses first) Then i think you divide it by the outside number
