(2x+5)*6=78 (3x-10)*4=20

Question

(2x+5)*6=78
(3x-10)*4=20

Comments

12х+30=78 12х=48 х=4 12х-40=20 12х=60 х=5

Answer 1

12х+30=78 12х=48 х=4 12х-40=20 12х=60 х=5

Answer 2

12х+30=78
12х=48
х=4

12х-40=20
12х=60
Х=5