What is 1+2+3+4+5+6+7+8+9+10+20+30+40+50+60 +70+80+90+100
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595

Step-by-step explanation:

Do 1+9, 2+8, 3+7, 4+6, 5 to get 10+10+10+10+5=45

Than do 10+90, 20+80, 30+70, 40+60, 50 to get 100+100+100+100+50=450

450+45=495

Than do 495 plus the last 100 to get 595

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37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

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