А)25z+49=149 б)13+10t=163

Question

А)25z+49=149 б)13+10t=163

Answer 1

A 4
b 15
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Answer 2

25z+49=149
25z=149-49
25z=100
z=100:25
z=4

13+10t=163
10t=163-13
10t=150
t=150:10
t=15