exam Maths Puzzle Numerical Ability

Solve the following system of linear equations by the elimination method:
y=2x-5
8x-4y=20

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exam Other Question

through (-1,6) slope -3/4 Write the slope intercept form of the equation A manufacturer produces two models of the same toy, Model A and Model B. Model A takes 4 hours to produce and costs $8 each. Model B takes 3 hours to produce and costs $7 each. I