Question

5×+2×+12=40 ecuacion​

Answer 1

Respuesta:

$5x + 2x + 12 = 40 \\ 7x = 40 - 12 \\ 7x = 28 \\ x = 28 \div 7 \\ x = 4$

Answer 2

Explicación paso a paso:

5x+2x+12=40

5x+2x =40-12

7x =28

x=28÷7

x=4

COMPROBACION

5x+2x+12=40

5(4)+2(4)+12=40

20+8+12=40

40=40

coronita plis