To solve the equation, we first need to isolate the variable x. We can do this by multiplying both sides of the equation by 7, which will cancel out the fraction on the right side of the equation.
7 * (x + 30) = 3 * 7
7x + 210 = 21
Next, we can subtract 210 from both sides of the equation to isolate the variable x.
7x + 210 - 210 = 21 - 210
7x = -189
Finally, we divide both sides of the equation by 7 to solve for x.
(7x)/7 = -189/7
x = -27
Therefore, the solution to the equation is x = -27.
x + 30 = 3
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