exam Maths Puzzle Numerical Ability

If <1=2x+6, and its adjacent angle measure is 130, what is the value of x?

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exam Other Question

4c-3(5c-2x+2) Mr. Santos invested 50,000 pesos, part of which at 5% per year and the rest at 6% per year. his annual income from the two investments was 2000 pesos. How much did he invest at each rate?