7x+4(-7x-9)=111

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Solution for 7x+4(-7x-9)=111 equation:


Simplifying
7x + 4(-7x + -9) = 111

Reorder the terms:
7x + 4(-9 + -7x) = 111
7x + (-9 * 4 + -7x * 4) = 111
7x + (-36 + -28x) = 111

Reorder the terms:
-36 + 7x + -28x = 111

Combine like terms: 7x + -28x = -21x
-36 + -21x = 111

Solving
-36 + -21x = 111

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 + -21x = 111 + 36

Combine like terms: -36 + 36 = 0
0 + -21x = 111 + 36
-21x = 111 + 36

Combine like terms: 111 + 36 = 147
-21x = 147

Divide each side by '-21'.
x = -7

Simplifying
x = -7

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