Question

01) resolva a equação a seguir: 4n - 8 = 7 + 2n


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Answer 1

4n - 8 = 7 + 2n

4n - 2n = 7 + 8

2n = 15

n = $\frac{15}{2}$

n = $\Large\boxed{7,5}$ ou $\Large\text{ \boxed{\frac{15}{2}} }$

Answer 2

4n - 8 = 7 + 2n

4n-2n = 7+8

2n =15

$\frac{15}{2}$