Question

(4n+3n)•11=154
(19n-6n):4=26

Answer 1

(4n+3n)*11=154
7n*11=154
7n=154:11
7n=14
n=14:7
n=2
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(19n-6n):4=26
13n:4=26
13n=26*4
13n=104
n=104:13
n=8