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

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


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

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

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

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

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

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

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-3 + 7x + -9x = -7 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-3 + -2x = -7 + 9x + -9x

Combine like terms: 9x + -9x = 0
-3 + -2x = -7 + 0
-3 + -2x = -7

Add '3' to each side of the equation.
-3 + 3 + -2x = -7 + 3

Combine like terms: -3 + 3 = 0
0 + -2x = -7 + 3
-2x = -7 + 3

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

Divide each side by '-2'.
x = 2

Simplifying
x = 2

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