1) 3(b-1)-1=8(b-1)-6
3b – 3 – 1 = 8b – 8 – 6
3b – 8b = – 6 – 8 + 1 + 3
-5b = -10
b = 2
2) 5(x-6)-2=(x-7)-6
5x – 30 – 2 = 1x – 7 – 6
5x – x = – 6 – 7 + 2 + 30
4x = 19
x = 4.75
3) 28+5a=44+a
5a – a = 44 – 28
4a = 16
a = 4
4) 15k+40=29k-2
15k – 29k = – 2 – 40
-14k = -42
k = 3
5) 51+3p=57+p
3p – p = 57 – 51
2p = 6
p = 3
6) -50(-3m+10)=-200
150m – 500 = – 200
150m = – 200 + 500
150m = 300
m = 2
7) -62(2n+22)=-1860
– 124n – 1364 = – 1860
– 124n = – 1860 + 1364
-124n = -496
n = 4
1) 3(b-1)-1=8(b-1)-6
3b – 3 – 1 = 8b – 8 – 6
3b – 8b = – 6 – 8 + 1 + 3
-5b = -10
b = 2
2) 5(x-6)-2=(x-7)-6
5x – 30 – 2 = 1x – 7 – 6
5x – x = – 6 – 7 + 2 + 30
4x = 19
x = 4.75
3) 28+5a=44+a
5a – a = 44 – 28
4a = 16
a = 4
4) 15k+40=29k-2
15k – 29k = – 2 – 40
-14k = -42
k = 3
5) 51+3p=57+p
3p – p = 57 – 51
2p = 6
p = 3
6) -50(-3m+10)=-200
150m – 500 = – 200
150m = – 200 + 500
150m = 300
m = 2
7) -62(2n+22)=-1860
– 124n – 1364 = – 1860
– 124n = – 1860 + 1364
-124n = -496
n = 4