Answer:
A
Step-by-step explanation:
pretty sure 99 percent sure
Expand it first. -2(x+3)= -2x-6
-2x-6 = 10
-2x = 10+6
-2x = 16
-x = -8
x = 8
Answer:
Volume of Triangular Pyramid =29920 cubic inches
volume of the sphere = 113.04 cubic millimeters
(Is this answer helpful :-)
So,
0.4(2x + 1/2) = 3(.2x + -2) - 4
Distribute
0.8x + .2 = .6x + -6 - 4
Collect Like Terms
0.8x + .2 = 0.6x - 10
Get rid of the smaller placeholder (add -0.6x to both sides)
0.2x + .2 = -10
Subtract 0.2 from both sides
0.2x = -10.2
Divide both sides by 0.2
x = -51
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