7x+4=7-(3x-9)

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Solution for 7x+4=7-(3x-9) equation:


Simplifying
7x + 4 = 7 + -1(3x + -9)

Reorder the terms:
4 + 7x = 7 + -1(3x + -9)

Reorder the terms:
4 + 7x = 7 + -1(-9 + 3x)
4 + 7x = 7 + (-9 * -1 + 3x * -1)
4 + 7x = 7 + (9 + -3x)

Combine like terms: 7 + 9 = 16
4 + 7x = 16 + -3x

Solving
4 + 7x = 16 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
4 + 7x + 3x = 16 + -3x + 3x

Combine like terms: 7x + 3x = 10x
4 + 10x = 16 + -3x + 3x

Combine like terms: -3x + 3x = 0
4 + 10x = 16 + 0
4 + 10x = 16

Add '-4' to each side of the equation.
4 + -4 + 10x = 16 + -4

Combine like terms: 4 + -4 = 0
0 + 10x = 16 + -4
10x = 16 + -4

Combine like terms: 16 + -4 = 12
10x = 12

Divide each side by '10'.
x = 1.2

Simplifying
x = 1.2

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