Solve for x
x=260
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30x=20x+800+1800
Use the distributive property to multiply 20 by x+40.
30x=20x+2600
Add 800 and 1800 to get 2600.
30x-20x=2600
Subtract 20x from both sides.
10x=2600
Combine 30x and -20x to get 10x.
x=\frac{2600}{10}
Divide both sides by 10.
x=260
Divide 2600 by 10 to get 260.
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