Question

encontre o valor de X URGENTE​

Answer 1

Explicação passo-a-passo:

$\sf 8\cdot(8+x)=7\cdot(7+9)$

$\sf 64+8x=7\cdot16$

$\sf 64+8x=112$

$\sf 8x=112-64$

$\sf 8x=48$

$\sf x=\dfrac{48}{8}$

$\sf x=6$