ile wynosi niewiadoma prosze o zapisanie obliczeń -4c-46=-2 -7=5x+1 6y-13=-52 4x-4=3 3c+2=-70 33-4x=4x 5-10x=2x

-4c-46=-2 -4c=-2+46  /:(-4) c=-11 .......................................... -7=5x+1 5x=-7-1  /:5 x=-8/5 x=-1,6 ...................................... 6y-13=-52 6y=-52+13  /:6 y=-39/6 y=-6,5 ..................................... 4x-4=3 4x=3+4  /:4 x=7/4=1 3/4=1,75 ............................... 3c+2=-70 3c=-70-2  /:3 c=-72/3=-24 .................................. 33-4x=4x 4x+4x=33 8x=33  /:8 x=33/8=4 1/8 = 4.125 .......................................... 5-10x=2x 12x=5  /:12 x=5/12

-4c-46=-2 -4c = -2 + 46 -4c = 44 c = -11 -7=5x+1 5x = -7 - 1 5x = -8 x = -8/5 x = -1 3/5 6y-13=-52 6y = -52 + 13 6y = -39 y = -39/6 y= -6 1/2 4x-4=3 4x = 3 + 4 4x = 7 x = 7/4 x = 1 3/4 3c+2=-70 3c = -70 - 2 3c = -72 c = -24 33-4x=4x 4x + 4x = 33 8x = 33 x = 33/8 x = 4 1/8 5-10x=2x 2x + 10x = 5 12x = 5 x = 5/12