exam Maths Puzzle Numerical Ability

7(3x + 4) =8(2x + 5) + 13

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exam Other Question

The length of the shorter leg of a 30-60-90 triangle is 10cm. find the length of the altitude to the hypotenuse The linear equation x=-13 graphs as a horizontal/vertical/diagonal line choose the correct label. How did you come up with this conclusion.