1.8(7-x)=1.6(5-x)

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Solution for 1.8(7-x)=1.6(5-x) equation: 


Simplifying
1.8(7 + -1x) = 1.6(5 + -1x)
(7 * 1.8 + -1x * 1.8) = 1.6(5 + -1x)
(12.6 + -1.8x) = 1.6(5 + -1x)
12.6 + -1.8x = (5 * 1.6 + -1x * 1.6)
12.6 + -1.8x = (8 + -1.6x)

Solving
12.6 + -1.8x = 8 + -1.6x

Solving for variable 'x'.

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

Add '1.6x' to each side of the equation.
12.6 + -1.8x + 1.6x = 8 + -1.6x + 1.6x

Combine like terms: -1.8x + 1.6x = -0.2x
12.6 + -0.2x = 8 + -1.6x + 1.6x

Combine like terms: -1.6x + 1.6x = 0.0
12.6 + -0.2x = 8 + 0.0
12.6 + -0.2x = 8

Add '-12.6' to each side of the equation.
12.6 + -12.6 + -0.2x = 8 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + -0.2x = 8 + -12.6
-0.2x = 8 + -12.6

Combine like terms: 8 + -12.6 = -4.6
-0.2x = -4.6

Divide each side by '-0.2'.
x = 23

Simplifying
x = 23

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