exam Maths Puzzle Numerical Ability

Wright the equasion and solv to answer each question.
Question; seven times a number decreased by 2 is 19. What is the number?

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exam Other Question

Explain the effect of a rise in general market interest rates on an investor who is holding notes. Give an example. The line through (0, -1) that is perpendicular to 2x - 5y = 10