3(5 - 4а) - (12а - 7) = 15 - 12a - 12a + 7 = -24a + 22
при а= 0,5
-24a + 22 = -24*0,5 + 22 = -12 + 22 = 10
7х + 1,5 = 10х - 3
-3x = -4,5
x = 1,5
1) 15-12а-12а+7=15+7-24а=22-24а
-24*0.5+22=22-12=10
7х+1.5=10х-3
10х-7х=1.5+3
3х=4.5
х=1.5
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
3(5 - 4а) - (12а - 7) = 15 - 12a - 12a + 7 = -24a + 22
при а= 0,5
-24a + 22 = -24*0,5 + 22 = -12 + 22 = 10
7х + 1,5 = 10х - 3
-3x = -4,5
x = 1,5
Verified answer
1) 15-12а-12а+7=15+7-24а=22-24а
-24*0.5+22=22-12=10
7х+1.5=10х-3
10х-7х=1.5+3
3х=4.5
х=1.5