exam Maths Puzzle Numerical Ability

t.21
solve and state the solution for the system by substitution.

x+3y=12
-5-4y=-16

t.22
solve and state the solution for the system by addition

3x+4y=-1
6x-2y=3

Read Solution (Total 0)

exam Other Question

A salesman gets a comission of $2.65 on each item sold. One morning he sold 15 calculators and 19 pocket radios. Find his Commission

Hi i forgot how to solve problems like this can you show steps and answer please x^3-2x^2-x+2 please help factor