4(x+7) becomes 4x+28 you multipli the 4 in parentheses ans 2(x+7) becomes 2x+14
4x+28=2x+14 you move the x termes to the left and other numbers to the right look:
4x-2x=14-28 when you change the sides always change the sign +or-
2x=-14
2x/2=-14/2
X=-7
√50 lies between 7 and 8.
Switch the x for -3, 2, 0, and 5 so the answer will be B
There are 6 dimes and a total of 36 coins in all so the part to whole ratio is 6:36 or 1:6
HA + bA = 2
A(h+b) = 2
A = 2/h+b
