1.2x+1=0.4(0.3x+1)

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Solution for 1.2x+1=0.4(0.3x+1) equation:


Simplifying
1.2x + 1 = 0.4(0.3x + 1)

Reorder the terms:
1 + 1.2x = 0.4(0.3x + 1)

Reorder the terms:
1 + 1.2x = 0.4(1 + 0.3x)
1 + 1.2x = (1 * 0.4 + 0.3x * 0.4)
1 + 1.2x = (0.4 + 0.12x)

Solving
1 + 1.2x = 0.4 + 0.12x

Solving for variable 'x'.

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

Add '-0.12x' to each side of the equation.
1 + 1.2x + -0.12x = 0.4 + 0.12x + -0.12x

Combine like terms: 1.2x + -0.12x = 1.08x
1 + 1.08x = 0.4 + 0.12x + -0.12x

Combine like terms: 0.12x + -0.12x = 0.00
1 + 1.08x = 0.4 + 0.00
1 + 1.08x = 0.4

Add '-1' to each side of the equation.
1 + -1 + 1.08x = 0.4 + -1

Combine like terms: 1 + -1 = 0
0 + 1.08x = 0.4 + -1
1.08x = 0.4 + -1

Combine like terms: 0.4 + -1 = -0.6
1.08x = -0.6

Divide each side by '1.08'.
x = -0.5555555556

Simplifying
x = -0.5555555556

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