Basic Algebra

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Plus and Minus (Same Variables)

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Basic Algebra Activities 1

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Plus and Minus (Different Variables)

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Basic Algebra Activities 2

2.1)

Calculate and simplify the expressions:

a): $2 x + x + 3 y$
b): $x + 2 y - 3 x$
c): $10 a - 5 b + 2 b - 3 a$
d): $z + 5 a - 6 z + 2 z$
e): $2 y + 3 x + 4 x - 3 y$

2.2)

Calculate and simplify the expressions:

a): $\begin{aligned} x + y + 2 x + 5 x \\ + 2 y - 6 x + 3 y - 5 y \end{aligned}$
b): $\begin{aligned} 4 a - 2 b + a \\ - 5 b - 7 a + 12 b \end{aligned}$
c): $\begin{aligned} 16 a - 2 c + 15 b + 8 a \\ - 7 b + 9 c - a + 21 c \end{aligned}$
d): $\begin{aligned} 16 x + 7 y - 5 z + y \\ - 12 x - 6 y + 4 z + 13 x \end{aligned}$

2.3)

Calculate and simplify the expressions:

a): $1 - 4 x - 2 y + 7 x + 5 + y$
b): $9 a - 5 a + 2 - a$
c): $6 a - 3 - a + 2$
d): $4 x - 3 y - 4 + 2 x - 3$
e): $a + 3 + 5 a - 5$
f): $3 a - 4 + 2 b + a$
g): $3 c + 7 h + 5 c - 4 c + 7 h$
h): $8 p + 9 p - 5 t - 5 p + 8 t$
i): $k + k + 2 k + 4 r - 3 k - 3 r$

a): $1 - 4 x - 2 y + 7 x + 5 + y$
b): $9 a - 5 a + 2 - a$
c): $6 a - 3 - a + 2$
d): $4 x - 3 y - 4 + 2 x - 3$
e): $a + 3 + 5 a - 5$
f): $3 a - 4 + 2 b + a$
g): $3 c + 7 h + 5 c - 4 c + 7 h$
h): $8 p + 9 p - 5 t - 5 p + 8 t$
i): $k + k + 2 k + 4 r - 3 k - 3 r$

You can find the solutions here.

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Plus and Minus of Powers

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Basic Algebra Activities 3

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Multiplication and Fractions with Powers

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Basic Algebra Activities 4

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Fractions with Different Denominators

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Basic Algebra Activities 5

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Basic Algebra Solutions