1.8=4(x+5)

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Solution for 1.8=4(x+5) equation: 


Simplifying
1.8 = 4(x + 5)

Reorder the terms:
1.8 = 4(5 + x)
1.8 = (5 * 4 + x * 4)
1.8 = (20 + 4x)

Solving
1.8 = 20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
1.8 + -4x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
1.8 + -4x = 20 + 0
1.8 + -4x = 20

Add '-1.8' to each side of the equation.
1.8 + -1.8 + -4x = 20 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + -4x = 20 + -1.8
-4x = 20 + -1.8

Combine like terms: 20 + -1.8 = 18.2
-4x = 18.2

Divide each side by '-4'.
x = -4.55

Simplifying
x = -4.55

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