3) 7(2x+9)+3x=114
14x+63+3x=114
17x = 114-63
17x=51
x=3
4) 3(4x+13)-25=74
12x+39-25=74
12x=74-39+25
12x=60
x=60/12
x=5
Ответ: 3;5
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
3) 7(2x+9)+3x=114
14x+63+3x=114
17x = 114-63
17x=51
x=3
4) 3(4x+13)-25=74
12x+39-25=74
12x=74-39+25
12x=60
x=60/12
x=5
Ответ: 3;5