10] James is about to paint the walls of his lounge. The lounge has 4 walls (2 x Wall A and 2 x Wall B). Wall A and wall B which
1 answer:
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EXPLANATION:
To get the solution of the simultaneous equation, using the elimination method:
We will have the following steps:
Step 1:
Write the two equations:
Step2: Subtract the two equations:
Step 3: Simplify the expression
Step 4: Substitute x=-2 into the formula:
Therefore, the answer is
Thus,
Option B is correct