2 answers:
4x-6= 22
Move -6 to the other side.
Sign changes from -6 to +6.
4x-6+6= 22+6
4x= 22+6
4x= 28
Divide by 4 for both sides
4x/4= 28/4
x= 7
Answer : x= 7
4x - 6 = 22
Add 6 on both sides.
4x = 22 + 6
4x = 28
Divide both sides by 4.
x = 7
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36x + 200 = 76x
200 = 76x - 36x
200 = 40x
200/40 = x
5 = x
C = 36(5) + 200 R = 76(5)
C = 180 + 200 R = 380
C = 380
so the break even point is 380
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B and D
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