7+1x=.20(7+x)

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Solution for 7+1x=.20(7+x) equation:


Simplifying
7 + 1x = 0.20(7 + x)
7 + 1x = (7 * 0.20 + x * 0.20)
7 + 1x = (1.4 + 0.20x)

Solving
7 + 1x = 1.4 + 0.20x

Solving for variable 'x'.

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

Add '-0.20x' to each side of the equation.
7 + 1x + -0.20x = 1.4 + 0.20x + -0.20x

Combine like terms: 1x + -0.20x = 0.8x
7 + 0.8x = 1.4 + 0.20x + -0.20x

Combine like terms: 0.20x + -0.20x = 0.00
7 + 0.8x = 1.4 + 0.00
7 + 0.8x = 1.4

Add '-7' to each side of the equation.
7 + -7 + 0.8x = 1.4 + -7

Combine like terms: 7 + -7 = 0
0 + 0.8x = 1.4 + -7
0.8x = 1.4 + -7

Combine like terms: 1.4 + -7 = -5.6
0.8x = -5.6

Divide each side by '0.8'.
x = -7

Simplifying
x = -7

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