One mark exercise problems II — task. Mathematics State Board, Class 7.

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1. An expression equated to another expression is called

.

2. If

$a = 5$ , the value of

$2a + 5$ is

.

3. The sum of twice and four times of the variable

$x$ is

.

Answer variants:

$5$

equation

$15$

$2 + 4x$

solution

$35$

$6x$

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