X+.60(3)=.90(X+3)

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Solution for X+.60(3)=.90(X+3) equation:


Simplifying
X + 0.60(3) = 0.90(X + 3)

Multiply 0.60 * 3
X + 1.8 = 0.90(X + 3)

Reorder the terms:
1.8 + X = 0.90(X + 3)

Reorder the terms:
1.8 + X = 0.90(3 + X)
1.8 + X = (3 * 0.90 + X * 0.90)
1.8 + X = (2.7 + 0.90X)

Solving
1.8 + X = 2.7 + 0.90X

Solving for variable 'X'.

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

Add '-0.90X' to each side of the equation.
1.8 + X + -0.90X = 2.7 + 0.90X + -0.90X

Combine like terms: X + -0.90X = 0.1X
1.8 + 0.1X = 2.7 + 0.90X + -0.90X

Combine like terms: 0.90X + -0.90X = 0.00
1.8 + 0.1X = 2.7 + 0.00
1.8 + 0.1X = 2.7

Add '-1.8' to each side of the equation.
1.8 + -1.8 + 0.1X = 2.7 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + 0.1X = 2.7 + -1.8
0.1X = 2.7 + -1.8

Combine like terms: 2.7 + -1.8 = 0.9
0.1X = 0.9

Divide each side by '0.1'.
X = 9

Simplifying
X = 9

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