MathTutorPro.com

	Difficulty
Number Type	Low	Medium	High
Integer	Low Difficulty with Integers 4x + 6 = -26	Medium Difficulty with Integers -7x + 8 = 309	High Difficulty with Integers -26x + 43 = -1881
Decimals	Low Difficulty with Decimals -3.8x - 3.7 = 6.6	Medium Difficulty with Decimals 12.72x + 52.50 = 94.95	High Difficulty with Decimals 2.159x - 8.107 = 28.685
Fractions	Low Difficulty with Fractions (10/11)x + 7/8 = 1/8	Medium Difficulty with Fractions (13/25)x + 38/33 = 8/33	High Difficulty with Fractions (7/18)x + 16/5 = 2/9

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