Question

va rogg e urgent dau coroana:))))

Answer 1

A)3(2x-7)-5(3x+1)+4x=8-2(5x-3)
6x-21-15x-5+4x=8-10x+6
6x-15x+4x+10x=8+6+21+5
-5x=40
X= - 8

B) 5(2x-3)-8(3x+7) +63=3(6-5x)-13
10x-15-24x-56+63=18-15x-13
10x-24x+15x=18-13+15+56-63
X=13

C)3(4x+9)+4(3x+8)-43=7(4x-3)+25
12x+27+12x+32-43=28x-21+25
12x+12x-28x= - 21+25-27-32+43
-4x= - 12
X=3

D)3(2x+7)+2(2x+1)-32=3(4x-5)+14
6x+21+4x+2-32=12x-15+14
6x+4x-12x= - 15+14-21-2+32
-2x=8
X= - 4