1) 3(1-х)=1-4х+5(х+2)
3 – 3x = 1 – 4x + 5x + 10
– 3x + 4x – 5x = 10 + 1 – 3
-4x = 8
x = -2
3) 100-0,11х=0,08х+5
– 0,11x – 0,08x = 5 – 100
-0.19x = -95
x = 500
4) 4+5х=16х-0,4+3(2-х)
4 + 5x = 16x – 0.4 + 6 – 3x
5x – 16x + 3x = 6 – 0,4 – 4
-8x = 1.6
x = -0.2
5) 9,2-а+21,2-(-34,5)=-8,9
9.2 – a + 21.2 + 34.5 = – 8.9
– a = – 8,9 – 34,5 – 21,2 – 9,2
-a = -73.8
a = 73.8
1) 3(1-х)=1-4х+5(х+2)
3 – 3x = 1 – 4x + 5x + 10
– 3x + 4x – 5x = 10 + 1 – 3
-4x = 8
x = -2
3) 100-0,11х=0,08х+5
– 0,11x – 0,08x = 5 – 100
-0.19x = -95
x = 500
4) 4+5х=16х-0,4+3(2-х)
4 + 5x = 16x – 0.4 + 6 – 3x
5x – 16x + 3x = 6 – 0,4 – 4
-8x = 1.6
x = -0.2
5) 9,2-а+21,2-(-34,5)=-8,9
9.2 – a + 21.2 + 34.5 = – 8.9
– a = – 8,9 – 34,5 – 21,2 – 9,2
-a = -73.8
a = 73.8