Question

03)Na equação 11x - 15 = 4x + 27 ; x =
a)6
b)7
c)8
d)9
e)10​

Answer 1

11x - 15 = 4x + 27

11x = 4x + 42

7x = 42

x = 42/7

x = 6

item: a)

Answer 2

OLÁ

$11x - 15 = 4x + 27 \\ 11x - 4x - 15 = 27 \\ 11x - 4x = 27 + 15 \\ 7x = 27 + 15 \\ 7x = 42 \\ x = \frac{42}{7} \\ \boxed{ \blue{x = 6}}$

letra A

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espero ter ajudado

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