x-1=0.40(x+3)

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Solution for x-1=0.40(x+3) equation:


Simplifying
x + -1 = 0.40(x + 3)

Reorder the terms:
-1 + x = 0.40(x + 3)

Reorder the terms:
-1 + x = 0.40(3 + x)
-1 + x = (3 * 0.40 + x * 0.40)
-1 + x = (1.2 + 0.40x)

Solving
-1 + x = 1.2 + 0.40x

Solving for variable 'x'.

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

Add '-0.40x' to each side of the equation.
-1 + x + -0.40x = 1.2 + 0.40x + -0.40x

Combine like terms: x + -0.40x = 0.6x
-1 + 0.6x = 1.2 + 0.40x + -0.40x

Combine like terms: 0.40x + -0.40x = 0.00
-1 + 0.6x = 1.2 + 0.00
-1 + 0.6x = 1.2

Add '1' to each side of the equation.
-1 + 1 + 0.6x = 1.2 + 1

Combine like terms: -1 + 1 = 0
0 + 0.6x = 1.2 + 1
0.6x = 1.2 + 1

Combine like terms: 1.2 + 1 = 2.2
0.6x = 2.2

Divide each side by '0.6'.
x = 3.666666667

Simplifying
x = 3.666666667

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