Find a variable with equal or opposite coefficients, if equal then subtract the equations but if opposite then add, solve one variable equation left, and then substitute known variable into other equation and solve
Answer:
Step-by-step explanation:
=-3-i-5-3i
=-8-4i
Answer:
Calculus can be arranged in 5040 different ways in which the letter C's do not come together.
Step-by-step explanation:
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