servicexpressmaroc
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
servicexpressmaroc
servicexpressmaroc
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
MATH SOLVE
Home
General
X+ 2 - 1 = 2x + x-1
5 months ago
Q:
x+ 2 - 1 = 2x + x-1
Accepted Solution
A:
Solution variant #1.
Subtract
$x-1$
from both sides
$x+2-1-(x-1)=2x+x-1-(x-1)$
Simplify
$2=2x$
Switch sides
$2x=2$
Divide both sides by
$2$
$\frac{2x}{2}=\frac{2}{2}$
Simplify
$x=1$