Q1 of 157 Page 38

Solve the following equations:
3x + 5 = 23

Subtracting 5 from both sides,

⇒ 3x + 5 – 5 = 23 – 5

⇒ 3x = 18

Dividing both sides by 3,

⇒ x = 6

Simplify the following expressions:

(4a² – 4ab – 15b²) ÷ (2a – 5b)

Simplify the following expressions:

(a⁴ – b⁴) ÷ (a – b)

Solve the following equations:

17 = 10 - y

Solve the following equations:

2y - 7 = 1

Questions · 157

1. Algebra

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Solve the following equations:3x + 5 = 23