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

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


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

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

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

Combine like terms: 7 + 4 = 11
7 + 3x = 11 + -7x

Solving
7 + 3x = 11 + -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 = 11 + -7x + 7x

Combine like terms: 3x + 7x = 10x
7 + 10x = 11 + -7x + 7x

Combine like terms: -7x + 7x = 0
7 + 10x = 11 + 0
7 + 10x = 11

Add '-7' to each side of the equation.
7 + -7 + 10x = 11 + -7

Combine like terms: 7 + -7 = 0
0 + 10x = 11 + -7
10x = 11 + -7

Combine like terms: 11 + -7 = 4
10x = 4

Divide each side by '10'.
x = 0.4

Simplifying
x = 0.4

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