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

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


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

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

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

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

Combine like terms: -9 + 4 = -5
12 + 4x = -5

Solving
12 + 4x = -5

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = -5 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = -5 + -12
4x = -5 + -12

Combine like terms: -5 + -12 = -17
4x = -17

Divide each side by '4'.
x = -4.25

Simplifying
x = -4.25

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