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: (7x-7y) - (7x+7y) = _____ ? 14x-14y -14y 14x+14y -14x	Q 2: (9x-2y) - (3y+7x) = _____ ? 2x+5y 12x-6y 12x+5y 2x-5y
Q 3: (21x+82y) - (-72x+80y) = _____ ? 93x+2y 51x+2y 93x-2y 51x+162y	Q 4: (92x-7y) - (7x) = _____ ? 92x+14y 92x 85x 85x-7y
Q 5: (56x-71y) - (60x+7y) = _____ ? 63x+64y 4x-78y 63x-64y -4x-78y	Q 6: (78x-30y) - (7x+2y) = _____ ? 71x+32y 80x+37y 71x-32y 80x-37y
Q 7: (17x-2y) - (6x-7y) = _____ ? 24x-8y 24x+8y 11x+9y 11x-9y	Q 8: (22a+71x) - (-72a+72x) = _____ ? 50a-y -94a+x 50a+143y 94a-x
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