exam Maths Puzzle Numerical Ability

Translate to an algebra statement; do not solve:
Five times the difference of a number and one yields the same result as twice the same number increased by three.

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exam Other Question

given line1 passing through the points (-4,-1) and (-1,0) and line2 passing through the points (5,8) and (0,4) are the lines parallel, perpendicular, or neigher? Find all values of x in the interval 0 degrees is less than or equal to x which is less than 360 degrees that satisfy the equation 3cosx+sin2x=0.