100=.4x+2.5x

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Solution for 100=.4x+2.5x equation:


Simplifying
100 = 0.4x + 2.5x

Combine like terms: 0.4x + 2.5x = 2.9x
100 = 2.9x

Solving
100 = 2.9x

Solving for variable 'x'.

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

Add '-2.9x' to each side of the equation.
100 + -2.9x = 2.9x + -2.9x

Combine like terms: 2.9x + -2.9x = 0.0
100 + -2.9x = 0.0

Add '-100' to each side of the equation.
100 + -100 + -2.9x = 0.0 + -100

Combine like terms: 100 + -100 = 0
0 + -2.9x = 0.0 + -100
-2.9x = 0.0 + -100

Combine like terms: 0.0 + -100 = -100
-2.9x = -100

Divide each side by '-2.9'.
x = 34.48275862

Simplifying
x = 34.48275862

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