2.5x-9=1.1x+12

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Solution for 2.5x-9=1.1x+12 equation:


Simplifying
2.5x + -9 = 1.1x + 12

Reorder the terms:
-9 + 2.5x = 1.1x + 12

Reorder the terms:
-9 + 2.5x = 12 + 1.1x

Solving
-9 + 2.5x = 12 + 1.1x

Solving for variable 'x'.

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

Add '-1.1x' to each side of the equation.
-9 + 2.5x + -1.1x = 12 + 1.1x + -1.1x

Combine like terms: 2.5x + -1.1x = 1.4x
-9 + 1.4x = 12 + 1.1x + -1.1x

Combine like terms: 1.1x + -1.1x = 0.0
-9 + 1.4x = 12 + 0.0
-9 + 1.4x = 12

Add '9' to each side of the equation.
-9 + 9 + 1.4x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 1.4x = 12 + 9
1.4x = 12 + 9

Combine like terms: 12 + 9 = 21
1.4x = 21

Divide each side by '1.4'.
x = 15

Simplifying
x = 15

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