Answer:
x = -3
Explanation:
x + 10 + x + 4 = 8
2x + 14 = 8
2x = -6
Check:
2(-3) + 14 =8
-6 + 14 = 8
8 = 8
CD + DB = CB
CD = x +10
CB = 8
Combine like terms.
Subtract 14 from both sides.
Divide both sides by 2.
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