Answer:
x = 1
Step-by-step explanation:
Subtract the right side of the equation and simplify:
9x -4 -6x -2(x +1) +5 = 0
9x -6x -2x -4 -2 +5 = 0 . . . . . eliminate parentheses
x -1 = 0 . . . . . . . . . . . . . . . . . . collect terms
x = 1 . . . . . . . . . . . . . . . . . . . . . add the opposite of the constant
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Check
Substitute the value of x where x is found in the equation.
9·1 -4 -6·1 = 2(1 +1) -5
9 - 4 - 6 = 2·2 -5
-1 = 4 -5 . . . . . true. The answer checks OK.
