let's solve this problem:
-the first step; (find the 'y')
8y-7 = 23 -2y
8y+2y = 23+7
10y = 30
y = 30:10
y = 3
-the second step; (change the 'y' with '3')
8(3) -7 = 23 -2(3)
24 -7 = 23 -6
17 = 17
well, The conclusion and the answer is;
8y -7 = 23 - 2y --> is True Equal ;)
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