O.5

Add & Subtract Linear Expressions

Q2 · Dec–Feb

Add and subtract expressions like (3x + 4) − (x − 7).

Level

Medium

Level

Problems

Show exampleInclude answer key

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Add & Subtract Linear Expressions Skill O.5 \cdot Expressions \cdot ★★☆ Medium \cdot Quarter 2 Name Date Score / 12 Scan for answers Simplify each expression. Example (3 x + 4) - (x - 7) = 3 x + 4 - x + 7 = 2 x + 11 Think: Subtracting an expression subtracts every term in it: - (x - 7) = - x + 7 . Then combine like terms. 1 (6 k + 9) + (8 k + 6) 2 (- 5 m + 3) + (m - 4) 3 (- 7 x - 1) - (- 3 x - 1) 4 (- 4 k + 4) + (6 k + 1) 5 (7 y - 2) - (5 y + 8) 6 (- 3 n - 8) + (4 n + 6) 7 (- 4 m + 6) + (- 3 m - 1) 8 (3 k + 9) - (2 k + 7) 9 (4 x - 7) - (9 x + 9) 10 (- 7 y + 2) + (- 9 y - 4) 11 (4 p + 5) - (- 8 p + 1) 12 (- 9 p - 5) + (p - 4) Daniel Math Academy \cdot danielmath.com Worksheet # acyx4py \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key O.5 Add & Subtract Linear Expressions \cdot ★★☆ Medium 1 14 k + 15 2 - 4 m - 1 3 - 4 x 4 2 k + 5 5 2 y - 10 6 n - 2 7 - 7 m + 5 8 k + 2 9 - 5 x - 16 10 - 16 y - 2 11 12 p + 4 12 - 8 p - 9 Daniel Math Academy \cdot danielmath.com Worksheet # acyx4py \cdot Answer Key \cdot Page 2 / 2

O. Expressions7 skills