Answer:
they're all like terms so we just add and subtract
Answer:
x = -30
Step-by-step explanation:
subtract 7 from both sides ( 7+2/5x -7, -5-7 )
simplify ( 2/5x = 12 )
multiply both sides by 5 ( 2/5x times 5 = 5 (-12) )
simplify ( 2x = -60 )
divide both sides by 2 ( 2x / 2, -60 / 2 )
x = -30
Answer:
387 and 388
Step-by-step explanation:
775 / 2 = 387.5
387 and 388
Answer:
-74
Step-by-step explanation:
First you use term 0, which is 6 because term 1 is 4. The slope is -2x so after 40 terms it would be -74.
