Step-by-step explanation:
x+2+x=180
2x=180-2
2x=178
x=89
Answer:
C
Step by step
3x2 - 5x+1 + 2x2 + 9x-6
Combine like terms
5x2 + 4x - 5
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Answer:
Step-by-step explanation:
y + 4 = 2(x - 2)
y + 4 = 2x - 4
y = 2x - 8