Question

Se o Perímetro é+ 48, Calcule o valor de X

2X+2X+2+2X+4

Answer 1

2x + 2x + 2 + 2x + 4 = 48
6x + 6 = 48
6x = 48 - 6
6x = 42
x = 42 / 6
x = 7

Answer 2

$2x + 2x + 2 + 2x + 4 = 48 \\ 2x + 2x + 2x = 48 - 4 - 2 \\ 6x = 42 \\x = \frac{42}{6} \\ x = 7$