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### MEAP Preparation - Grade 7 Mathematics2.61 Subtraction of Monomials

 In algebra, subtraction is possible only between like-terms. Example: Subtract 7x from 10x. Solution: 10x-7x = (10-7)x = 3x Directions: Solve the following subtraction questions. Also write at least 10 examples of your own.
 Q 1: 7x - 3x = _____ ?-4x-10x4x10x Q 2: 36x - 30x = _____ ?-6x6x-66x66x Q 3: 27x - 15x = _____ ?-42x-12x12x42x Q 4: 21x - 20x = ____ ?-x-41x41xx Q 5: 15x - 17x = _____ ?32x-2x2x-32x Q 6: x - 7x = _____ ?6x-8x-6x8x Q 7: 9x - 10x = _____ ?-x19x-19xx Q 8: 17x - 5x = _____ ?12x-12x-22x22x Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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