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Step-3

Title: Find the sum

Grade: 7-b Lesson: S2-L1

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Steps	Problem	Solution
1	Find the sum	\$ (2x + 5y) + (x - y) \$
2	After Eliminating the Parentheses	\$ 2x + 5y + x - y \$
3	Grouping like terms together	\$ (2x + x) + (5y - y) \$
4	After Addition	\$ 3x + 4y \$
5	Answer	A = \$ 3x + 4y \$

Steps

Problem

Solution

Find the sum

\$ (2x + 5y) + (x - y) \$

After Eliminating the Parentheses

\$ 2x + 5y + x - y \$

Grouping like terms together

\$ (2x + x) + (5y - y) \$

After Addition

\$ 3x + 4y \$

Answer

A = \$ 3x + 4y \$