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In this lesson, we will learn how to write and evaluate addition algebraic expressions.

Q1:

Evaluate π + π , given that π = 7 and π = 1 5 .

Q2:

Write an expression for the sum of π and 4.

Q3:

Write an expression for the sum of 9 and π .

Q4:

Write an expression for 14 more than π₯ .

Q5:

If a girl is π₯ years old, how old will she be in 20 years?

Q6:

Which of the following expressions represents adding 8 to π₯ ?

Q7:

Express the following in algebraic form: twelve increased by π₯ .

Q8:

Given that π₯ = 2 8 π β 9 π + 2 9 π , π¦ = 3 2 π + 2 7 π β 4 2 π , and π§ = 4 6 π β 3 9 π + 5 0 π , express π₯ + π¦ β π§ in terms of π , π , and π .

Q9:

What must you a d d t o 3 4 π₯ to get 2 5 π₯ ?

Q10:

Find π΄ + π΅ given that π΄ = 8 π₯ + 2 and π΅ = 5 π₯ β 1 .

Q11:

Simplify 6 π + 4 π β 4 π β 9 π .

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