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Step-4

Title: Solve the equation

Grade: 7-b Lesson: S2-L2

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

Lesson Steps

Steps	Problem	Solution
1	Solve	\$ 12x - 22 = 122 \$
2	Adding '\$+22\$' on both sides	\$ 12x - \cancel22 + \cancel22 = 122 + 22 \$
3	After cancelation	\$ 12x = 144 \$
4	Dividing on both sides by '\$12\$' of the equality	\$ \cancel(12)^1/ \cancel(12)^1 x = \cancel(144)^12/ \cancel(12)^1 \$
5	After cancelation	\$ x = 12 \$
6	Answer	A = \$ x = 12 \$

Steps

Problem

Solution

Solve

\$ 12x - 22 = 122 \$

Adding '\$+22\$' on both sides

\$ 12x - \cancel22 + \cancel22 = 122 + 22 \$

After cancelation

\$ 12x = 144 \$

Dividing on both sides by '\$12\$' of the equality

\$ \cancel(12)^1/ \cancel(12)^1 x = \cancel(144)^12/ \cancel(12)^1 \$

After cancelation

\$ x = 12 \$

Answer

A = \$ x = 12 \$