a)-5 + = 100
+55 ↓ ↓+55
?=?
b) 2x+ 22 = 33 -22 ↓ ↓ -22? =?
c)4x +7 =2x
-2x↓ ↓ -2x
?=?
d) 3x - 16 = 4
+? ↓ ↓ +?
3x = 20
Prosze zrubcie to zadanie ! :)
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a)50=155
b)2x=11
c)2x+7=0
d)+16 +16