exam Maths Puzzle Numerical Ability

Write the equation of the line with slope 4 and y-intercept (0,-5).
Just double checking my work


b=(-5)-4(0)= -5
y = -5

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exam Other Question

1. 3n=(6-n)(-3)

2. -10= 4- 7x/4

3. 1/4(y+8)=5

4 7.6x + 3.7= 2.8-1.6x
I need help with this problem:
|-4x| + |-5| < 1</PRE>