exam Maths Puzzle Numerical Ability

What must be true for a system of linear equations to have an infinite number solutions?

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exam Other Question

if you osve this,can you please break down the steps and explain what to do because i dont know what to do when you 3 equations like these:

A=11B
A+x=5(B+x)
A+x+5=3(B+x+5) find each product university of phoenix elementary and intermediate algebra (3 2 to the power of 4 -8)