Answer:
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The two angles form a straight line and need to equal 180 when added together:
7x + 28 + 33 = 180
Simplify:
7x + 61 = 180
Subtract 61 from both sides
7x = 119
Divide both sides by 7
X = 17
Answer: B.17
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
From the rows, the equation is:
--- (1)
--- (2)
--- (3)
Make A the subject in:
Substitute in
Make B the subject
Substitute in
Collect like terms
Divide by 9
Recall that:
Recall that:
Hence:
