exam Maths Puzzle Numerical Ability

Solve this equalities: x + 8 > 20 (note there is a line under the greater than sign)

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exam Other Question

Remove the parentheses in each of the following expressions and simplify when possible.

8d-(-7c-2d) Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.

10x + 2