Question

efectuați.30x+12x-41x=?;4x-2x-x=?;7x-3x+x=?10x-9x-x=?x+x-2x=?;8x+10x-2x=?;7x+x-x=?;x+3x-4x=?

Answer 1

poti face calculele normal coeficientii lui x
30x + 12x - 41x = 42x - 41x= x
4x - 2x - x = x
7x - 3x + x = 4x + x = 5x
10x - 9x - x = x - x = 0
x + x - 2x = 2x - 2x = 0
8x + 10x - 2x = 18x - 2x = 16x
7x + x - x = 7x
x + 3x - 4x = 4x - 4x = 0

Answer 2

a)(30+12-41)x=1x=x

b)(4-2-1)x=x

c)(7-3+1)x=5x

d)(10-9-1)x=0

e)(1+1-2)x=0

f)(8+10-2)x=16x

g)7x

h)(1+3-4)x=0