Question

Calculați: a)2x+3x= ; b)2x-x ; c) 5x-4x; 4x+2x-3x​

Answer 1

Răspuns:

2x+3x=5x

2x-x=x

5x-4x=1x

4x+2x-3x=3x

Answer 2

$a)2x+3x$

$(2 + 3)x$

$5x$

$b)2x-x$

$2x - 1$

$(2 - 1) x$

$1x$

$x$

$c) 5x-4x$

$(5 - 4)x$

$1x$

$d)4x+2x-3x$

$(4 + 2 - 3)x$

$3x$