exam Maths Puzzle Numerical Ability

33-9(5-m)=4(m+7) can this answer be a negative decimal?
trying to work out but getting stuck

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exam Other Question

Write the equation of the line which has y-intercept (0, 5) and is perpendicular to the line with equation y = -3x + 1.

A) y = 3x + 5 B) y = - x + 5 C) y = x + 5 D) y = -3x + 5
3.3 #63

draw the graph of each line using its y-intercept and its slope.
4y + x = 8


Thank you