exam Maths Puzzle Numerical Ability

solve each system by substitution

y=x+3
y=2x+4

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exam Other Question

A rope was cut into two pieces so that one piece was 18 m longer than the other. That piece was also three times as long as the other. How long was each piece and how long was th How do you solve and graph an inequalitie like x - 2 > 2x + 1 or -10 > -2x - 2?