-3x-4(-7x+9)=139

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Solution for -3x-4(-7x+9)=139 equation:


Simplifying
-3x + -4(-7x + 9) = 139

Reorder the terms:
-3x + -4(9 + -7x) = 139
-3x + (9 * -4 + -7x * -4) = 139
-3x + (-36 + 28x) = 139

Reorder the terms:
-36 + -3x + 28x = 139

Combine like terms: -3x + 28x = 25x
-36 + 25x = 139

Solving
-36 + 25x = 139

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 25x = 139 + 36

Combine like terms: -36 + 36 = 0
0 + 25x = 139 + 36
25x = 139 + 36

Combine like terms: 139 + 36 = 175
25x = 175

Divide each side by '25'.
x = 7

Simplifying
x = 7

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