.20(7x-4)=1(x+4)

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Solution for .20(7x-4)=1(x+4) equation:


Simplifying
0.20(7x + -4) = 1(x + 4)

Reorder the terms:
0.20(-4 + 7x) = 1(x + 4)
(-4 * 0.20 + 7x * 0.20) = 1(x + 4)
(-0.8 + 1.4x) = 1(x + 4)

Reorder the terms:
-0.8 + 1.4x = 1(4 + x)
-0.8 + 1.4x = (4 * 1 + x * 1)
-0.8 + 1.4x = (4 + 1x)

Solving
-0.8 + 1.4x = 4 + 1x

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.
-0.8 + 1.4x + -1x = 4 + 1x + -1x

Combine like terms: 1.4x + -1x = 0.4x
-0.8 + 0.4x = 4 + 1x + -1x

Combine like terms: 1x + -1x = 0
-0.8 + 0.4x = 4 + 0
-0.8 + 0.4x = 4

Add '0.8' to each side of the equation.
-0.8 + 0.8 + 0.4x = 4 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + 0.4x = 4 + 0.8
0.4x = 4 + 0.8

Combine like terms: 4 + 0.8 = 4.8
0.4x = 4.8

Divide each side by '0.4'.
x = 12

Simplifying
x = 12

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