exam Maths Puzzle Numerical Ability

5(2x-7)+3(4x-7)-(x+2)=-142

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exam Other Question

What form does the solution(s) of an independent system of two linear equations in two variables take and where do you find the solution(s) on a graph? Solve each equation by the subtraction method. Determine whether the equation are independent, dependant, or inconsistent.
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