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8th grade math

x = -2

Step-by-step explanation:

2+3x = −4(5+2x)

2+3x = (−4)(5)+(−4)(2x)(Distribute)

2+3x = −20+−8x

3x+2 = −8x−20

3x+2+8x = −8x−20+8x

11x+2 = −20

11x+2−2 = −20−2

11x = −22

11x/11  =  −22/11

therefore, x = −2

X= -2

Step-by-step explanation:

So first distribute on the right side

2+3x=-20-8x

Now add 8x on both sides

2+11x=-20

Now subtract 2 on both sides

11x= -22

Now divde 11 on both sides

-22/11

x=-2

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

by definition, an arc subtended by a central angle of some given measure has the same measure. so .