Question

a) 5(x-6) +8 = 2x - 400:102; b) (-4)2 - 35+ x = 3(x - 12)+7;
8(x-9)

Answer 1

Explicație pas cu pas:

A) 5x-30+8=2x-400

5x-22=2x-400

5x-2x=. -400+22

3x=. - 376

X=. - 376:3

X= - 376

3

B) - 8-35x=3x-36+7

43x=3x-29

43x-3x=. - 29

40X=. - 29

X= -29

40