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Dyer
29 April, 15:05
8x + 7 = 2x + 37?
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Giuliana Dyer
29 April, 17:30
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Answer: 5
Step-by-step explanation:Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-2x' to each side of the equation.
7 + 8x + - 2x = 37 + 2x + - 2x
Combine like terms: 8x + - 2x = 6x
7 + 6x = 37 + 2x + - 2x
Combine like terms: 2x + - 2x = 0
7 + 6x = 37 + 0
7 + 6x = 37
Add '-7' to each side of the equation.
7 + - 7 + 6x = 37 + - 7
Combine like terms: 7 + - 7 = 0
0 + 6x = 37 + - 7
6x = 37 + - 7
Combine like terms: 37 + - 7 = 30
6x = 30
Divide each side by '6'.
x = 5
Simplifying
x = 5
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Patty
29 April, 19:00
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8x + 7 = 2x + 37
1. subtract 7 from the 7 on the left and 37 on the right
8x+7 (-7) = 2x + 37 (-7)
8x = 2x + 30
2. subtract 2x from 2x on the right and 8x on the left
8x - 2x = 2x - 2x + 30
6x = 30
3. divide 6 from each side
6x/6 = 30/6
6 divided by 6 cancels out
30 divided by 6 is 5
x = 5
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