Answer:
x = 21
mGK = 167
mHJ = 98
mHGJ = 262
mGKJ = 201
Explanation:
9)
34 + 61 + 9x -22 + 5x - 7 = 360
14x + 66 = 360
14x = 294
mGK = 9(21) - 22= 167
mHJ = 5(21) - 7 = 98
mHGJ = 61 + 167 + 34 = 262
mGKJ = 167 + 34 = 201
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