Subtraction of Binomials - I - MEAP Preparation - Grade 7 Mathematics - kwizNET Math/Science/English Homeschool/Afterschool/Tutoring Lessons/Worksheets/Quizzes/Trivia

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Questions Per Quiz = 2 4 6 8 10

Example: (7x-2y) - (5x-3y) = _____ ?
Solution:
Subtracting 5x-3y from 7x-2y is same as adding the additive inverse of 5x-3y to 7x-2y.

The additive inverse of (5x-3y) is (-5x+3y), therefore, add (-5x+3y) to 7x-2y,
7x - 2y - 5x + 3y = 2x + y.

Directions: Solve the following questions. Also write at least 10 examples of your own.

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Q 1: (6x-7y) - (7x+6y) = _____ ? -x-13y -x-y x-y x-13y	Q 2: (7x-7y) - (7x+7y) = _____ ? -14x 14x+14y -14y 14x-14y
Q 3: (21x+82y) - (-72x+80y) = _____ ? 51x+162y 51x+2y 93x+2y 93x-2y	Q 4: (17x-2y) - (6x-7y) = _____ ? 11x+9y 24x+8y 24x-8y 11x-9y
Q 5: (72x-91y) - (71x-80y) = _____ ? x-9y -x+11y x+9y x-11y	Q 6: (78x-30y) - (7x+2y) = _____ ? 71x+32y 71x-32y 80x+37y 80x-37y
Q 7: (56x-71y) - (60x+7y) = _____ ? -4x-78y 4x-78y 63x+64y 63x-64y	Q 8: (92x-7y) - (7x) = _____ ? 92x 92x+14y 85x 85x-7y
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