5(x+7)=9x+20

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Solution for 5(x+7)=9x+20 equation:


Simplifying
5(x + 7) = 9x + 20

Reorder the terms:
5(7 + x) = 9x + 20
(7 * 5 + x * 5) = 9x + 20
(35 + 5x) = 9x + 20

Reorder the terms:
35 + 5x = 20 + 9x

Solving
35 + 5x = 20 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
35 + 5x + -9x = 20 + 9x + -9x

Combine like terms: 5x + -9x = -4x
35 + -4x = 20 + 9x + -9x

Combine like terms: 9x + -9x = 0
35 + -4x = 20 + 0
35 + -4x = 20

Add '-35' to each side of the equation.
35 + -35 + -4x = 20 + -35

Combine like terms: 35 + -35 = 0
0 + -4x = 20 + -35
-4x = 20 + -35

Combine like terms: 20 + -35 = -15
-4x = -15

Divide each side by '-4'.
x = 3.75

Simplifying
x = 3.75

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