Question

Equaçãode1 grau 5(2×-4)=7(×+1) ?

Answer 1

Olá!

$\\ { \large \displaystyle \sf {5(2x - 4) = 7(x + 1)}}$

${ \large \displaystyle \sf {10x - 20 = 7x + 7}}$

${ \large \displaystyle \sf {10x - 7x = 7 + 20}}$

${ \large \displaystyle \sf {3x= 27}}$

${ \large \displaystyle \sf {x= \frac{27}{3} }}$

$\boxed{ \boxed{ \green{ { \large \displaystyle \sf {x = 9}}}}}$

O valor de X = 9