21+15+x=1.8x

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Solution for 21+15+x=1.8x equation:


Simplifying
21 + 15 + x = 1.8x

Combine like terms: 21 + 15 = 36
36 + x = 1.8x

Solving
36 + x = 1.8x

Solving for variable 'x'.

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

Add '-1.8x' to each side of the equation.
36 + x + -1.8x = 1.8x + -1.8x

Combine like terms: x + -1.8x = -0.8x
36 + -0.8x = 1.8x + -1.8x

Combine like terms: 1.8x + -1.8x = 0.0
36 + -0.8x = 0.0

Add '-36' to each side of the equation.
36 + -36 + -0.8x = 0.0 + -36

Combine like terms: 36 + -36 = 0
0 + -0.8x = 0.0 + -36
-0.8x = 0.0 + -36

Combine like terms: 0.0 + -36 = -36
-0.8x = -36

Divide each side by '-0.8'.
x = 45

Simplifying
x = 45

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