12.90=7.50+1.35x

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Solution for 12.90=7.50+1.35x equation: 


Simplifying
12.90 = 7.50 + 1.35x

Solving
12.90 = 7.50 + 1.35x

Solving for variable 'x'.

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

Add '-1.35x' to each side of the equation.
12.90 + -1.35x = 7.50 + 1.35x + -1.35x

Combine like terms: 1.35x + -1.35x = 0.00
12.90 + -1.35x = 7.50 + 0.00
12.90 + -1.35x = 7.50

Add '-12.90' to each side of the equation.
12.90 + -12.90 + -1.35x = 7.50 + -12.90

Combine like terms: 12.90 + -12.90 = 0.00
0.00 + -1.35x = 7.50 + -12.90
-1.35x = 7.50 + -12.90

Combine like terms: 7.50 + -12.90 = -5.4
-1.35x = -5.4

Divide each side by '-1.35'.
x = 4

Simplifying
x = 4

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