3-(x+7)=3(2x+1)

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Solution for 3-(x+7)=3(2x+1) equation:


Simplifying
3 + -1(x + 7) = 3(2x + 1)

Reorder the terms:
3 + -1(7 + x) = 3(2x + 1)
3 + (7 * -1 + x * -1) = 3(2x + 1)
3 + (-7 + -1x) = 3(2x + 1)

Combine like terms: 3 + -7 = -4
-4 + -1x = 3(2x + 1)

Reorder the terms:
-4 + -1x = 3(1 + 2x)
-4 + -1x = (1 * 3 + 2x * 3)
-4 + -1x = (3 + 6x)

Solving
-4 + -1x = 3 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-4 + -1x + -6x = 3 + 6x + -6x

Combine like terms: -1x + -6x = -7x
-4 + -7x = 3 + 6x + -6x

Combine like terms: 6x + -6x = 0
-4 + -7x = 3 + 0
-4 + -7x = 3

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

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

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

Divide each side by '-7'.
x = -1

Simplifying
x = -1

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