## All Tasks

#### Simplification of algebraic expression_2

If we simplify the following algebraic expression
$A= 2(x-y-2)-3(2x+y)+7$
into the form $ax+by+c$, where the $a,b$ and $c$ are rational numbers, find the $a$ (Answer 1), $b$ (Answer 2) and $c$ (Answer 3)

# Linear equations

Learning

8

#### Simplify the algebraic expression_1

If we simplify the following algebraic expression:
$ A=(x-3)(x+3)-(x^2-9x+3)$.
the expression will be ...

# Linear equations

Training

8

#### Find the value_2

Evaluate the following algebraic expression if $x=5$ and $y=−5$
$A={(x-3)}^2-2{(y+3)}^2-5{(x+y)}^7$

# Equations & Inequations

Training

8

#### Operations & Algebraic Expression_2

Do the operations in the algebraic expression:
$A=(x+3)(y+4)-x(y+4)-3y+7$

# Linear equations

Learning

8

#### Operations & Algebraic Expression_1

If we make operations in:
$ (x+y)(x+3)-x(x+3y-2) $ the result will be...

# Linear equations

Training

8

#### Translation of the verbal expression into algebraic expression_2

The algebraic expression of the following verbal expression:
a number $x$ is multiplied by $2$ and then we increased by $7$ in the end the result we multiply by $3$

# Terms with variables

Reasoning

8