7.80=4.09+2.12(x)

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Solution for 7.80=4.09+2.12(x) equation:


Simplifying
7.80 = 4.09 + 2.12(x)

Solving
7.80 = 4.09 + 2.12x

Solving for variable 'x'.

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

Add '-2.12x' to each side of the equation.
7.80 + -2.12x = 4.09 + 2.12x + -2.12x

Combine like terms: 2.12x + -2.12x = 0.00
7.80 + -2.12x = 4.09 + 0.00
7.80 + -2.12x = 4.09

Add '-7.80' to each side of the equation.
7.80 + -7.80 + -2.12x = 4.09 + -7.80

Combine like terms: 7.80 + -7.80 = 0.00
0.00 + -2.12x = 4.09 + -7.80
-2.12x = 4.09 + -7.80

Combine like terms: 4.09 + -7.80 = -3.71
-2.12x = -3.71

Divide each side by '-2.12'.
x = 1.75

Simplifying
x = 1.75

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