You collect the like terms and do -16-14 which is -30n
Answer:
B
Step-by-step explanation:
The second one is correct. If you square 1.5 and 2 and 2.5 and use pythagorean theorem, then you will get the two sides to equal each other, this concluding it to be true
The strategy is called expanding notation because you are expanding that problem into small equations :)
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Set it up like this, going from words on the page to letters and variables:
-3(2x+5) = -57. Twice a number is 2x, increased by 5 is 2x+5, and that is multiplied by -3 to get a total of -57. Distribute the -3 into the parenthesis to get -6x - 15 = -57. Move the 15 over by addition to get -6x = -42. Divide both sides by -6 to get that x = 7
