1) -4(5-4х)=х+1
– 20 + 16x = 1x + 1
16x – x = 1 + 20
15x = 21
x = 1.4
2) -4(-7+6х)=-9х-5
28 – 24x = – 9x – 5
– 24x + 9x = – 5 – 28
-15x = -33
x = 2.2
1) -4(5-4х)=х+1
– 20 + 16x = 1x + 1
16x – x = 1 + 20
15x = 21
x = 1.4
2) -4(-7+6х)=-9х-5
28 – 24x = – 9x – 5
– 24x + 9x = – 5 – 28
-15x = -33
x = 2.2