3x+7=7(x+1)-4

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Solution for 3x+7=7(x+1)-4 equation:


Simplifying
3x + 7 = 7(x + 1) + -4

Reorder the terms:
7 + 3x = 7(x + 1) + -4

Reorder the terms:
7 + 3x = 7(1 + x) + -4
7 + 3x = (1 * 7 + x * 7) + -4
7 + 3x = (7 + 7x) + -4

Reorder the terms:
7 + 3x = 7 + -4 + 7x

Combine like terms: 7 + -4 = 3
7 + 3x = 3 + 7x

Solving
7 + 3x = 3 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
7 + 3x + -7x = 3 + 7x + -7x

Combine like terms: 3x + -7x = -4x
7 + -4x = 3 + 7x + -7x

Combine like terms: 7x + -7x = 0
7 + -4x = 3 + 0
7 + -4x = 3

Add '-7' to each side of the equation.
7 + -7 + -4x = 3 + -7

Combine like terms: 7 + -7 = 0
0 + -4x = 3 + -7
-4x = 3 + -7

Combine like terms: 3 + -7 = -4
-4x = -4

Divide each side by '-4'.
x = 1

Simplifying
x = 1

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