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

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


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

Reorder the terms:
9 = -7x + 4(-3 + x)
9 = -7x + (-3 * 4 + x * 4)
9 = -7x + (-12 + 4x)

Reorder the terms:
9 = -12 + -7x + 4x

Combine like terms: -7x + 4x = -3x
9 = -12 + -3x

Solving
9 = -12 + -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.
9 + 3x = -12 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + 3x = -12 + 0
9 + 3x = -12

Add '-9' to each side of the equation.
9 + -9 + 3x = -12 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = -12 + -9
3x = -12 + -9

Combine like terms: -12 + -9 = -21
3x = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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