4. Algebra and Matrices
Interactive practice questions
Simplify the expression:
$10x+3x$10x+3x
Easy
< 1min
Simplify the expression:
$9m-7m$9m−7m
Easy
< 1min
Simplify the expression:
$6k+7r-4k$6k+7r−4k
Easy
< 1min
Simplify the expression:
$7x+7y-3y-6x$7x+7y−3y−6x
Easy
< 1min
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