ZADANIE 1 - Oblicz działania. 2x + 5 =3x - 2 263 + 539 - 424 943 * 542 a + 3 - b - 4 + c + 5 - d + 6 + e - 7 + f - 6 = g = 68 PLS daje NAJ

2x+5=3x-2 2x-3x=-5-2 -x=-7*(-1) x=7 263+539-424=802-424=378 943*542=511106 a+3-b-4+c+5-d+6+e-7+f-6=g=68 a-b+c-d+e+f-g=-3+4-5-6+7+6+68 a-b+c-d+e+f-g=-12+13+68=-12+81=71

2x+5=3x-2 -x=-7     /÷÷(-1) x=7 263+539-424=378 943*542=511106 a+3-b-4+c+5-d+6+e-7+f-6=g=68 a-b+c-d+e+f-g= - 3+4-5-6+7+6+68 a-b+c-d+e+f-g= 71