Объяснение:
5х-14=10х+16
5х-14-10х-16=0
-5х-30=0
-5х=30
-х=6
х=-6
-4х+2.4=5х-3
-4х+2.4-5х+3=0
-9х+5.4=0
-9х=-5.4
-х=-0.6
х=0.6
1-(1-5х)=15
1-1+5х-15=0
5х-15=0
5х=15
х=3
4(1.2х+3.7)-2.8=5.2х
4.8х+14.7-2.8-5.2х=0
-0.4х+6.7=0
-0.4х=6.7
-х=6.7/04
х=6.7/0.4
1. -6
2. 0,6
3. 3
1. 5х - 14 = 10х + 16
5х - 10х = 16 + 14
-5х = 30
х = -6
2. -4х + 2,4 = 5х -3
3 + 2,4 = 5х + 4х
5,4 = 9х
9х = 5,4 ( 54/10 : 9/1 = 54/10 * 1/9= 54/90 = 6/10)
х = 0,6
3. 4( 1,2х + 3,7 ) -2,8 = 5,2х
4,8х + 14,8 - 2,8 = 5,2х
4,8х + 12 = 5,2х
12 = 5,2х - 4,8х
12 = 0,4х
х = 3
Объяснение:
5х-14=10х+16
5х-14-10х-16=0
-5х-30=0
-5х=30
-х=6
х=-6
-4х+2.4=5х-3
-4х+2.4-5х+3=0
-9х+5.4=0
-9х=-5.4
-х=-0.6
х=0.6
1-(1-5х)=15
1-1+5х-15=0
5х-15=0
5х=15
х=3
4(1.2х+3.7)-2.8=5.2х
4.8х+14.7-2.8-5.2х=0
-0.4х+6.7=0
-0.4х=6.7
-х=6.7/04
х=6.7/0.4
1. -6
2. 0,6
3. 3
Объяснение:
1. 5х - 14 = 10х + 16
5х - 10х = 16 + 14
-5х = 30
х = -6
2. -4х + 2,4 = 5х -3
3 + 2,4 = 5х + 4х
5,4 = 9х
9х = 5,4 ( 54/10 : 9/1 = 54/10 * 1/9= 54/90 = 6/10)
х = 0,6
3. 4( 1,2х + 3,7 ) -2,8 = 5,2х
4,8х + 14,8 - 2,8 = 5,2х
4,8х + 12 = 5,2х
12 = 5,2х - 4,8х
12 = 0,4х
х = 3