12х-35+7х=9825(х+1)-16=59

Question

12х-35+7х=98
25(х+1)-16=59

Answer 1

12х-35+7х=98
12х+7х-35=98
19х-35=98
19х= 98+35
19х=133
х= 133 :19
х=7
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25(х+1)-16=59
25(х+1) = 59+16
25(х+1)=75
х+1=75:25
х+1=3
х=3-1
х=2

Answer 2

12х-35+7х=98
19х=98+35
19х=133
х=133:19
х=7

25х+25-16=59
25х=59-25+16
25х=50
х=50:25
х=2