7.4x-9=7x+12

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Solution for 7.4x-9=7x+12 equation:


Simplifying
7.4x + -9 = 7x + 12

Reorder the terms:
-9 + 7.4x = 7x + 12

Reorder the terms:
-9 + 7.4x = 12 + 7x

Solving
-9 + 7.4x = 12 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-9 + 7.4x + -7x = 12 + 7x + -7x

Combine like terms: 7.4x + -7x = 0.4x
-9 + 0.4x = 12 + 7x + -7x

Combine like terms: 7x + -7x = 0
-9 + 0.4x = 12 + 0
-9 + 0.4x = 12

Add '9' to each side of the equation.
-9 + 9 + 0.4x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 0.4x = 12 + 9
0.4x = 12 + 9

Combine like terms: 12 + 9 = 21
0.4x = 21

Divide each side by '0.4'.
x = 52.5

Simplifying
x = 52.5

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