.7-4.2=3.6+x

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Solution for .7-4.2=3.6+x equation: 


Simplifying
0.7 + -4.2 = 3.6 + x

Combine like terms: 0.7 + -4.2 = -3.5
-3.5 = 3.6 + x

Solving
-3.5 = 3.6 + 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.
-3.5 + -1x = 3.6 + x + -1x

Combine like terms: x + -1x = 0
-3.5 + -1x = 3.6 + 0
-3.5 + -1x = 3.6

Add '3.5' to each side of the equation.
-3.5 + 3.5 + -1x = 3.6 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + -1x = 3.6 + 3.5
-1x = 3.6 + 3.5

Combine like terms: 3.6 + 3.5 = 7.1
-1x = 7.1

Divide each side by '-1'.
x = -7.1

Simplifying
x = -7.1

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