(7x+5)3=20x+20

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Solution for (7x+5)3=20x+20 equation:


Simplifying
(7x + 5) * 3 = 20x + 20

Reorder the terms:
(5 + 7x) * 3 = 20x + 20

Reorder the terms for easier multiplication:
3(5 + 7x) = 20x + 20
(5 * 3 + 7x * 3) = 20x + 20
(15 + 21x) = 20x + 20

Reorder the terms:
15 + 21x = 20 + 20x

Solving
15 + 21x = 20 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
15 + 21x + -20x = 20 + 20x + -20x

Combine like terms: 21x + -20x = 1x
15 + 1x = 20 + 20x + -20x

Combine like terms: 20x + -20x = 0
15 + 1x = 20 + 0
15 + 1x = 20

Add '-15' to each side of the equation.
15 + -15 + 1x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 20 + -15
1x = 20 + -15

Combine like terms: 20 + -15 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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