20+7x=4(4x+1)-2

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Solution for 20+7x=4(4x+1)-2 equation:


Simplifying
20 + 7x = 4(4x + 1) + -2

Reorder the terms:
20 + 7x = 4(1 + 4x) + -2
20 + 7x = (1 * 4 + 4x * 4) + -2
20 + 7x = (4 + 16x) + -2

Reorder the terms:
20 + 7x = 4 + -2 + 16x

Combine like terms: 4 + -2 = 2
20 + 7x = 2 + 16x

Solving
20 + 7x = 2 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
20 + 7x + -16x = 2 + 16x + -16x

Combine like terms: 7x + -16x = -9x
20 + -9x = 2 + 16x + -16x

Combine like terms: 16x + -16x = 0
20 + -9x = 2 + 0
20 + -9x = 2

Add '-20' to each side of the equation.
20 + -20 + -9x = 2 + -20

Combine like terms: 20 + -20 = 0
0 + -9x = 2 + -20
-9x = 2 + -20

Combine like terms: 2 + -20 = -18
-9x = -18

Divide each side by '-9'.
x = 2

Simplifying
x = 2

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