The equation that is equivalent to 5x + 30 = 45 is 5(x + 6) = 45.
The option that would be equivalent to the value of x in the equation. The first step is to determine the value of x.
5x + 30 = 45
Combine similar terms
5x = 45 - 30
5x = 15
Divide both sides by 5
x = 3
Option A
35x = 45
In order to determine the value of x, divide both sides by 35
x = 45 / 35 = 1.3
Option B
5x = 75
In order to determine the value of x, divide both sides by 5
x = 75/5 = 15
Option C
5(x + 30) = 45
Divide both sides of the equation by 5
x + 30 = 9
Combine similar terms
x = - 30 + 9
x = -21
Option D
5(x + 6) = 45
Divide both sides of the equation by 5
x + 6 = 45 / 5
x + 6 = 9
Combine similar terms
x = 9 - 6
x = 3
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