Question

reduce a su menor expresion (x-2) - (-x+7)
(2-10x)+(-3+14x)
(3x-4)+(3x+4)
(10y-3)-(y+3)

Answer 1

(2-10x)+(-3+14x)
2-10x-3+14x
4x-1

.

(x-2)-(-x+7)
x-2+x-7
2x-9

.

(3x-4)+(3x+4)
3x-4+3x+4
6x

.

(10y-3)-(y+3)
10y-3-y-3
9y-6