3x-4(-x+7)=49

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Solution for 3x-4(-x+7)=49 equation:


Simplifying
3x + -4(-1x + 7) = 49

Reorder the terms:
3x + -4(7 + -1x) = 49
3x + (7 * -4 + -1x * -4) = 49
3x + (-28 + 4x) = 49

Reorder the terms:
-28 + 3x + 4x = 49

Combine like terms: 3x + 4x = 7x
-28 + 7x = 49

Solving
-28 + 7x = 49

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 7x = 49 + 28

Combine like terms: -28 + 28 = 0
0 + 7x = 49 + 28
7x = 49 + 28

Combine like terms: 49 + 28 = 77
7x = 77

Divide each side by '7'.
x = 11

Simplifying
x = 11

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