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home		Substitution 2
		(click a problem to attempt)
		Find the value of 4x + 6y when x = 2 and y = 1

		Find the value of 4x - 2y when x = 5 and y = 5

		Find the value of 3x + 7y when x = 3 and y = 1

		Find the value of 8x - y when x = 3 and y = 9

		Find the value of 9x - 2y when x = 4 and y = 5