Question

A) 5×+8×=45-40


b)×+×=2+5-6



c)3×+2×-3×=10-7-2+4



d)4×5-3

pfvr me respondam:))​

Answer 1

Olá!

a) x=2,6

$a) \: 5x + 8x = 45 - 40 \\ \: 13x = 5 \\ x = 13/5 \\ x = 2,6$

b) x=2

$b) \: x + x = 2 + 5 - 6 \\ 2x = 1 \\ x = 2/1 \\ x = 2$

c) x=0,4

$c) \: 3x+2x-3x=10-7-2+4 \\ 2x = 5 \\ x = 2/5 \\ x = 0,4$

d) Resposta=17

$d) \: 4×5-3 \\ 20 - 3 = 17$

ESPERO TER AJUDADO! BONS ESTUDOS! (◠‿◕)