6.5x+20=(10+x)(4)

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Solution for 6.5x+20=(10+x)(4) equation:


Simplifying
6.5x + 20 = (10 + x)(4)

Reorder the terms:
20 + 6.5x = (10 + x)(4)

Reorder the terms for easier multiplication:
20 + 6.5x = 4(10 + x)
20 + 6.5x = (10 * 4 + x * 4)
20 + 6.5x = (40 + 4x)

Solving
20 + 6.5x = 40 + 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.
20 + 6.5x + -4x = 40 + 4x + -4x

Combine like terms: 6.5x + -4x = 2.5x
20 + 2.5x = 40 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 2.5x = 40 + 0
20 + 2.5x = 40

Add '-20' to each side of the equation.
20 + -20 + 2.5x = 40 + -20

Combine like terms: 20 + -20 = 0
0 + 2.5x = 40 + -20
2.5x = 40 + -20

Combine like terms: 40 + -20 = 20
2.5x = 20

Divide each side by '2.5'.
x = 8

Simplifying
x = 8

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