exam Maths Puzzle Numerical Ability

I need to see be steps how to solve this problem by the method of substition
the problem is
x = 4y+33
y = -2x-6
I need to solve for x and y

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exam Other Question

graph y=1/2x
x+y=3 please help me solve this problem thank you in advance

solve the following system of liner inequalities gy graphing
x + 2y < 3 the sign has a line under it
2x - 3y < 6 the s