100=4x+9y

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Solution for 100=4x+9y equation:


Simplifying
100 = 4x + 9y

Solving
100 = 4x + 9y

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
100 + -4x = 4x + -4x + 9y

Combine like terms: 4x + -4x = 0
100 + -4x = 0 + 9y
100 + -4x = 9y

Add '-100' to each side of the equation.
100 + -100 + -4x = -100 + 9y

Combine like terms: 100 + -100 = 0
0 + -4x = -100 + 9y
-4x = -100 + 9y

Divide each side by '-4'.
x = 25 + -2.25y

Simplifying
x = 25 + -2.25y

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