Question 12 • Grade 7 Mathematics
Combine like terms or distribute in each expression. A simplifies to −20 + 5 + (−3x + 8x) = 5x − 15; B becomes 5x − 15; and C becomes (4x + x) + (3y − 3y) − 15 = 5x − 15. D and E do not simplify to the target expression.
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