Question

NESECITO ayuda es que no logro comprender​

Answer 1

Respuesta:

Hola PVPPPPPPPPPPPPPPPPPP

Answer 2

Explicación paso a paso:

1.

$2x+13=40-x\\2x+x=40-13\\3x=27\\x=9$

2.

$5x-6=30+6-2x\\5x-6=36-2x\\5x+2x=36+6\\7x=42\\x=6$

3.

$2x-5=28-x\\2x+x=28+5\\3x=33\\x=11$

4.

$7x-7=25+3x\\7x-3x=25+7\\4x=32\\x=8$

5.

$9x+6=40+22+x\\9x+6=62+x\\9x-x=62-6\\8x=56\\x=7$

6.

$x-13=27-x\\x+x=27+13\\2x=40\\x=20$

7.

$4x-4-2=33+33-2x\\2x-6=66-2x\\2x+2x=66+6\\4x=72\\x=18$

8.

$3x+40=10x-5-4\\3x+40=10x -9\\40+9=10x-3x\\49=7x\\x=7$