0.4(10x+15)=2(x+10)

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Solution for 0.4(10x+15)=2(x+10) equation:


Simplifying
0.4(10x + 15) = 2(x + 10)

Reorder the terms:
0.4(15 + 10x) = 2(x + 10)
(15 * 0.4 + 10x * 0.4) = 2(x + 10)
(6 + 4x) = 2(x + 10)

Reorder the terms:
6 + 4x = 2(10 + x)
6 + 4x = (10 * 2 + x * 2)
6 + 4x = (20 + 2x)

Solving
6 + 4x = 20 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
6 + 4x + -2x = 20 + 2x + -2x

Combine like terms: 4x + -2x = 2x
6 + 2x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
6 + 2x = 20 + 0
6 + 2x = 20

Add '-6' to each side of the equation.
6 + -6 + 2x = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 20 + -6
2x = 20 + -6

Combine like terms: 20 + -6 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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