exam Maths Puzzle Numerical Ability

Solve the system y=2x+3 and y=4x+7 using the substitution method.

Read Solution (Total 0)

exam Other Question

please help me solve 4/5x=5/4

i know i need to flip the 4/5x but i keep getting confused i think the answer is
1.5 if it is im just confused on the check Hi Can I have some help solving this piecewise function?

Evaluate the piecewise defined function at the indicated values.
f(x)={(-2x if x < -5, x + 4 if -5 <= x <= 2, (x - 2)