0.7=0.3+x+0.1*2+0*3

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Solution for 0.7=0.3+x+0.1*2+0*3 equation: 


Simplifying
0.7 = 0.3 + x + 0.1 * 2 + 0 * 3

Multiply 0.1 * 2
0.7 = 0.3 + x + 0.2 + 0 * 3

Multiply 0 * 3
0.7 = 0.3 + x + 0.2 + 0

Anything times zero is zero.
0.7 = 0.3 + x + 0.2 + 0

Reorder the terms:
0.7 = 0.3 + 0.2 + 0 + x

Combine like terms: 0.3 + 0.2 = 0.5
0.7 = 0.5 + 0 + x

Combine like terms: 0.5 + 0 = 0.5
0.7 = 0.5 + x

Solving
0.7 = 0.5 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
0.7 + -1x = 0.5 + x + -1x

Combine like terms: x + -1x = 0
0.7 + -1x = 0.5 + 0
0.7 + -1x = 0.5

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -1x = 0.5 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -1x = 0.5 + -0.7
-1x = 0.5 + -0.7

Combine like terms: 0.5 + -0.7 = -0.2
-1x = -0.2

Divide each side by '-1'.
x = 0.2

Simplifying
x = 0.2

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