20+x=5[7+x]

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Solution for 20+x=5[7+x] equation:


Simplifying
20 + x = 5[7 + x]
20 + x = [7 * 5 + x * 5]
20 + x = [35 + 5x]

Solving
20 + x = 35 + 5x

Solving for variable 'x'.

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

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

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

Combine like terms: 5x + -5x = 0
20 + -4x = 35 + 0
20 + -4x = 35

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

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

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

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

Simplifying
x = -3.75

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