3x-9=4+7x-1

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Solution for 3x-9=4+7x-1 equation:


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

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

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

Combine like terms: 4 + -1 = 3
-9 + 3x = 3 + 7x

Solving
-9 + 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.
-9 + 3x + -7x = 3 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
-9 + -4x = 3 + 0
-9 + -4x = 3

Add '9' to each side of the equation.
-9 + 9 + -4x = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 3 + 9
-4x = 3 + 9

Combine like terms: 3 + 9 = 12
-4x = 12

Divide each side by '-4'.
x = -3

Simplifying
x = -3

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