7x+4x-20=13+2(3-5)

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Solution for 7x+4x-20=13+2(3-5) equation: 


Simplifying
7x + 4x + -20 = 13 + 2(3 + -5)

Reorder the terms:
-20 + 7x + 4x = 13 + 2(3 + -5)

Combine like terms: 7x + 4x = 11x
-20 + 11x = 13 + 2(3 + -5)

Combine like terms: 3 + -5 = -2
-20 + 11x = 13 + 2(-2)

Multiply 2 * -2
-20 + 11x = 13 + -4

Combine like terms: 13 + -4 = 9
-20 + 11x = 9

Solving
-20 + 11x = 9

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 11x = 9 + 20

Combine like terms: -20 + 20 = 0
0 + 11x = 9 + 20
11x = 9 + 20

Combine like terms: 9 + 20 = 29
11x = 29

Divide each side by '11'.
x = 2.636363636

Simplifying
x = 2.636363636

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