28-0.045(4x)=21-0.045(3x)

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Solution for 28-0.045(4x)=21-0.045(3x) equation: 


Simplifying
28 + -0.045(4x) = 21 + -0.045(3x)

Remove parenthesis around (4x)
28 + -0.045 * 4x = 21 + -0.045(3x)

Multiply -0.045 * 4
28 + -0.18x = 21 + -0.045(3x)

Remove parenthesis around (3x)
28 + -0.18x = 21 + -0.045 * 3x

Multiply -0.045 * 3
28 + -0.18x = 21 + -0.135x

Solving
28 + -0.18x = 21 + -0.135x

Solving for variable 'x'.

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

Add '0.135x' to each side of the equation.
28 + -0.18x + 0.135x = 21 + -0.135x + 0.135x

Combine like terms: -0.18x + 0.135x = -0.045x
28 + -0.045x = 21 + -0.135x + 0.135x

Combine like terms: -0.135x + 0.135x = 0.000
28 + -0.045x = 21 + 0.000
28 + -0.045x = 21

Add '-28' to each side of the equation.
28 + -28 + -0.045x = 21 + -28

Combine like terms: 28 + -28 = 0
0 + -0.045x = 21 + -28
-0.045x = 21 + -28

Combine like terms: 21 + -28 = -7
-0.045x = -7

Divide each side by '-0.045'.
x = 155.5555556

Simplifying
x = 155.5555556

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