exam Maths Puzzle Numerical Ability

please help me solve the following:

2/3(4x-7)=-2

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exam Other Question

Vicki is 1/3 as old as her cousin, chris, plus 5 years. Vicki is 14 years old. how old is chris? find the x- and y- intercepts and slope of the graph of each equation.

13.y= -x