Answer:
Step-by-step explanation:
Solve for x;
2x - ( x - 2 ) = 4x
distribute minus sign through parantheses
- 2x - x + 2 = 4x
combine like terms
- x + 2 = 4x
subtract x from both side
- x - x + 2 = 4x - x
- 2 = 3 x
Divide each side by 3
A pair of boots and a pair of tennis shoes cost 196.12 the different in there cost is 44.38. determine the cost of each pair of
1 answer:
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Then this can simply be reduced to
by the double angle formula for cosine
Then this can simply be reduced to
by the double angle formula for cosine