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1/4y - 3 = 2
+3| |+3
\/ \/
1/4y = 5
*4| |*4
\/ \/
y = 20
b )
-t + 2 = 4 + 5t
-2| |-2
\/ \/
-t = 2+5t
-5t| |-5t
\/ \/
-6t = 2
: -6| |: -6
\/ \/
t = -2/6
c )
2w + 3 = 4w - 5
-3| |-3
\/ \/
2w = 4w-8
-4w| |-4w
\/ \/
-2w= -8
/(-2)| |/(-2)
\/ \/
w =4
1/4y = 5
y = 20
-t + 2 = 4 + 5t
2 = 4 +6t
-2 = 6t
-⅓ = t
2w + 3 = 4w - 5
2w + 8 = 4w
8 = 2w
4 = w
licze na naj
1/4y = 5
y = 20
-t + 2 = 4 + 5t
2 = 4 +6t
-2 = 6t
-1/3 = t
2w + 3 = 4w - 5
2w + 8 = 4w
8 = 2w
4 = w
Prosze
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