Answer:
x = 4/9
Explanation:
7(6x + 1) = 3(9 - x)
First, distribute the 7 and the 3 across the parentheses.
42x + 7 = 27 - 3x
Now, combine the variables. (Add 3x)
45x + 7 = 27
Now, combine the constants. (Subtract 7)
45x = 20
Now, isolate the x. (Divide by 45)
x = 20/45
Simplify.
x = 4/9