2(x-1)+8=4x-20 find the solution
(15 points)

13

Step-by-step explanation:

2(x-1)+8=4x-20

distribute 2

2x-2+8=4x-20

2x+6=4x-20

subtract 2x from both sides

6=2x-20

add 20 to both sides

26=2x

divide both sides by 2

x=13

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$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

d) 48

step-by-step explanation:

16,32,48,64,80,96,112,128,144,160,176,192,208,224,240,256,272,288,304,320,336