Respuesta :

Assignment: [tex]\bold{\Solve \ Equation: \ 11x+12=8x-9}[/tex]

<><><><><><><>

Answer: [tex]\boxed{\bold{x=-7}}[/tex]

<><><><><><><>

Explanation: [tex]\downarrow\downarrow\downarrow[/tex]

<><><><><><><>

[ Step One ] Subtract 12 From Both Sides

[tex]\bold{11x+12-12=8x-9-12}[/tex]

[ Step Two ] Simplify

[tex]\bold{11x=8x-21}[/tex]

[ Step Three ] Subtract 8x From Both Sides

[tex]\bold{11x-8x=8x-21-8x}[/tex]

[ Step Four ] Simplify

[tex]\bold{3x=-21}[/tex]

[ Step Five ] Divide Both Sides By 3

[tex]\bold{\frac{3x}{3}=\frac{-21}{3}}[/tex]

[ Step Six ] Simplify

[tex]\bold{x=-7}[/tex]

<><><><><><><>

[tex]\bold{\rightarrow Mordancy \leftarrow}[/tex]

Inverse operations should be your first choice
11x+12=8x-9
-8x. -8x
3x+12=-9
-12 -12
3x=-21
Dived both side by 3
X=-7

Otras preguntas