Rozwiąż podane równania:5*x+7=26,5
12 i 1/2+3*b=19
4*y-3 i 2/3 = 7 i 1/3
29,83-2*d=17,27
5*x+7=26,5
5x = 26,5-7 /÷5
x = 19,5/5
x = 3,9
3b = 19 - 12 1/2
3b = 6 1/2 /÷3
b = 13/2·1/3
b = 2 1/6
4y = 7 1/3 + 3 2/3
4y = 10 3/3
4y = 11 /÷4
y = 11/4
y = 2 3/4
2d = 17,27-29,83
2d = -12,56 /÷2
d = -6,28
5x = 26,5 - 7
5x = 19,5 \
3b = 19 - 12,5
3b = 6,5
4y = 7 1/3 +3 2/3
4y = 2 3/4
2d = -12,56 /2
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5*x+7=26,5
5x = 26,5-7 /÷5
x = 19,5/5
x = 3,9
12 i 1/2+3*b=19
3b = 19 - 12 1/2
3b = 6 1/2 /÷3
b = 13/2·1/3
b = 2 1/6
4*y-3 i 2/3 = 7 i 1/3
4y = 7 1/3 + 3 2/3
4y = 10 3/3
4y = 11 /÷4
y = 11/4
y = 2 3/4
29,83-2*d=17,27
2d = 17,27-29,83
2d = -12,56 /÷2
d = -6,28
5*x+7=26,5
5x = 26,5 - 7
5x = 19,5 \
x = 3,9
12 i 1/2+3*b=19
3b = 19 - 12,5
3b = 6,5
b = 2 1/6
4*y-3 i 2/3 = 7 i 1/3
4y = 7 1/3 +3 2/3
4y = 2 3/4
29,83-2*d=17,27
2d = 17,27-29,83
2d = -12,56 /2
d = -6,28