Bonjour
43)
a. 7x - 6 = 4 - 3x
7x + 3x = 4 + 6
10x = 10
x = 10/10
x = 1
b. 12 - a = 18 - 3a
- a + 3a = 18 - 12
2a = 6
a = 6/2
a = 3
44)
a. - t - 4 = 8 + 7t
- t - 7t = 8 + 4
- 8t = 12
t = - 12/8
t = - 3/2.
b. 13x + 11 = 8x + 28
13x - 8x = 28 - 11
5x = 17
x = 17/5.
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Bonjour
43)
a. 7x - 6 = 4 - 3x
7x + 3x = 4 + 6
10x = 10
x = 10/10
x = 1
b. 12 - a = 18 - 3a
- a + 3a = 18 - 12
2a = 6
a = 6/2
a = 3
44)
a. - t - 4 = 8 + 7t
- t - 7t = 8 + 4
- 8t = 12
t = - 12/8
t = - 3/2.
b. 13x + 11 = 8x + 28
13x - 8x = 28 - 11
5x = 17
x = 17/5.