4(x-5)-3(12-x)=7

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Solution for 4(x-5)-3(12-x)=7 equation:


Simplifying
4(x + -5) + -3(12 + -1x) = 7

Reorder the terms:
4(-5 + x) + -3(12 + -1x) = 7
(-5 * 4 + x * 4) + -3(12 + -1x) = 7
(-20 + 4x) + -3(12 + -1x) = 7
-20 + 4x + (12 * -3 + -1x * -3) = 7
-20 + 4x + (-36 + 3x) = 7

Reorder the terms:
-20 + -36 + 4x + 3x = 7

Combine like terms: -20 + -36 = -56
-56 + 4x + 3x = 7

Combine like terms: 4x + 3x = 7x
-56 + 7x = 7

Solving
-56 + 7x = 7

Solving for variable 'x'.

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

Add '56' to each side of the equation.
-56 + 56 + 7x = 7 + 56

Combine like terms: -56 + 56 = 0
0 + 7x = 7 + 56
7x = 7 + 56

Combine like terms: 7 + 56 = 63
7x = 63

Divide each side by '7'.
x = 9

Simplifying
x = 9

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