9(2x-1)-(2x-2)=55

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Solution for 9(2x-1)-(2x-2)=55 equation:


Simplifying
9(2x + -1) + -1(2x + -2) = 55

Reorder the terms:
9(-1 + 2x) + -1(2x + -2) = 55
(-1 * 9 + 2x * 9) + -1(2x + -2) = 55
(-9 + 18x) + -1(2x + -2) = 55

Reorder the terms:
-9 + 18x + -1(-2 + 2x) = 55
-9 + 18x + (-2 * -1 + 2x * -1) = 55
-9 + 18x + (2 + -2x) = 55

Reorder the terms:
-9 + 2 + 18x + -2x = 55

Combine like terms: -9 + 2 = -7
-7 + 18x + -2x = 55

Combine like terms: 18x + -2x = 16x
-7 + 16x = 55

Solving
-7 + 16x = 55

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 16x = 55 + 7

Combine like terms: -7 + 7 = 0
0 + 16x = 55 + 7
16x = 55 + 7

Combine like terms: 55 + 7 = 62
16x = 62

Divide each side by '16'.
x = 3.875

Simplifying
x = 3.875

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