.7*2+x=.9(x+2)

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Solution for .7*2+x=.9(x+2) equation: 


Simplifying
0.7 * 2 + x = 0.9(x + 2)

Multiply 0.7 * 2
1.4 + x = 0.9(x + 2)

Reorder the terms:
1.4 + x = 0.9(2 + x)
1.4 + x = (2 * 0.9 + x * 0.9)
1.4 + x = (1.8 + 0.9x)

Solving
1.4 + x = 1.8 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
1.4 + x + -0.9x = 1.8 + 0.9x + -0.9x

Combine like terms: x + -0.9x = 0.1x
1.4 + 0.1x = 1.8 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
1.4 + 0.1x = 1.8 + 0.0
1.4 + 0.1x = 1.8

Add '-1.4' to each side of the equation.
1.4 + -1.4 + 0.1x = 1.8 + -1.4

Combine like terms: 1.4 + -1.4 = 0.0
0.0 + 0.1x = 1.8 + -1.4
0.1x = 1.8 + -1.4

Combine like terms: 1.8 + -1.4 = 0.4
0.1x = 0.4

Divide each side by '0.1'.
x = 4

Simplifying
x = 4

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