Question

2x+(2x+2)=126
x+(x+1)=79
2(x+7)=36
ayudaaa con resolución por favor
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Answer 1

2x+(2x+2)=126

2X+2=126-2X

2X+2X= 126-2

4X=124

X=31

x+(x+1)=79

X+1=79-X

X+X=79-1

2X=78

X=36

2(x+7)=36

X+7=36÷2

X= 18-7

X=11

Answer 2

Respuesta:

31,39,11

Explicación paso a paso:

$2x+(2x+2)=126$

$2x+2x+2=126$

$4x+2=126$

$4x+2+(-2)=126+(-2)$

$4x+2-2=126-2$

$4x+(2-2)=126-2$

$4x+0=124$

$4x=124$

$\frac{4x}{4} =\frac{124}{4}$

$1x=31$

$x=31$

$x+(x+1)=79\\ x+x+1=79\\ 2x+1=79\\ 2x=79-1\\ 2x=78\\ x=78/2\\ x=39$

$2(x+7)=36\\ 2x+14=36\\ 2x=36-14\\ 2x=22\\ x=22/2\\ x=11$