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Find x. Give reasons to justify your solution.
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Find x. Give reasons to justify your solution.

Find x. Give reasons to justify your solution.-example-1
User Anthonator
by
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1 Answer

4 votes

Answer:

x = 28

Explanation:

Okay COB is vertical to AOB, so we know they equal the same. Right the equation this way.

3x + x + x + 12 = 152 (collect like terms)

5x + 12 = 152 (subtract 12 on each side)

5x = 140 (divide by 5 on each side)

x = 28

(PLUG IN)

3(28) + (28) + (28) + 12 = 152

84 + 28 + 28 + 12 = 152

152 = 152

User Ante
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