2a=-16
x+17=30
y-45=54
2z=z-6
2a=-16 /2
a=-8
x+17=30 /-17
x=13
y-45=54 / +45
y=99
2z=z-6 /-z
z=-6
2a=-16 /:2
mam nadzieję że pomogłam ;)
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2a=-16 /2
a=-8
x+17=30 /-17
x=13
y-45=54 / +45
y=99
2z=z-6 /-z
z=-6
2a=-16
2a=-16 /:2
a=-8
x+17=30
x+17=30 /-17
x=13
y-45=54
y-45=54 / +45
y=99
2z=z-6
2z=z-6 /-z
z=-6
mam nadzieję że pomogłam ;)