Question

1. Solve: -3x + 1 = 7

2. 5x - 23 = 72
3. -34 = b/2 - 23
4. (1/3) y - 7 = 3
5. -2t - 13 = -3

Answer 1

1. -2 = x

2. 19 = x

3. -22 = b

4. 30 = y

5. -5 = t

Explanation:

1. -3x = 6 [-1 to the right side of the equivalence symbol]

2. 5x = 95 [23 to the right side of the equivalence symbol]

3. ᵇ/₂ = -11 [23 to the left side of the equivalence symbol]

4. ⅓y = 10 [7 to the right side of the equivalence symbol]

5. -2t = 10 [13 to the right side of the equivalence symbol]

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