Question

4(3x+23)+7(6+5x) 12(9+8y)+3(11+6y)

Answer 1

1.
12х+92+42+35х=0
12х+35х=-92-42
47х=-134
х=-134:47= - 2 целых 40/47
2.
108+96у+33+18у=0
114у=-141
у=-141:114=-1 целая 27/114