exam Maths Puzzle Numerical Ability

(a+b)+c=a+(b+c)

(a-b)-c=a-(b-c)

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exam Other Question

4. Solve the system by the addition method. Determine whether the equations are independent, dependent, or inconsistent. Show your work.

3x - 2y = -7
x - 5y = 2 how do you graph f(x)=|x+1|+2