exam Maths Puzzle Numerical Ability

Graph the solution set of each of the following inequalities

x > 4

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exam Other Question

Solve the following systems by graphing.

3x-6y=9
x-2y=3


-1(3x-6y)=9(-1)
-3(x-2y)=3(-3)
then

-3x+6y=-9
-3x+6y=-9

Am I doing this wrong because this does not look right?


Mrs. Bernado owed 670 pesos on her bank credit card. She charged another item costing 1,070 pesos. Find the amount that Mrs. Bernado owed the bank.