2-x + 6-x=9 give the answer of this question
Answers
Add the numbers
2
−
+
6
−
=
9
{\color{#c92786}{2}}-x+{\color{#c92786}{6}}-x=9
2−x+6−x=9
8
−
−
=
9
{\color{#c92786}{8}}-x-x=9
8−x−x=9
2
Combine like terms
8
−
−
=
9
8{\color{#c92786}{-x}}{\color{#c92786}{-x}}=9
8−x−x=9
8
−
2
=
9
8{\color{#c92786}{-2x}}=9
8−2x=9
3
Rearrange terms
8
−
2
=
9
{\color{#c92786}{8-2x}}=9
8−2x=9
−
2
+
8
=
9
{\color{#c92786}{-2x+8}}=9
−2x+8=9
4
Subtract
8
8
8
from both sides of the equation
−
2
+
8
=
9
-2x+8=9
−2x+8=9
−
2
+
8
−
8
=
9
−
8
-2x+8{\color{#c92786}{-8}}=9{\color{#c92786}{-8}}
−2x+8−8=9−8
5
Simplify
Subtract the numbers
Subtract the numbers
−
2
=
1
-2x=1
−2x=1
6
Divide both sides of the equation by the same term
−
2
=
1
-2x=1
−2x=1
−
2
−
2
=
1
−
2
\frac{-2x}{{\color{#c92786}{-2}}}=\frac{1}{{\color{#c92786}{-2}}}
−2−2x=−21
7
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
=
−
1
2
Answer : X = -1/2
Step-by-step explanation : 2 + 6 -X - X = 9
Therefore 8 - 2X = 9
Therefore -2X = 9 - 8
Therefore X = -1/2