7(-4x-7)=7-7(x-4)

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Solution for 7(-4x-7)=7-7(x-4) equation:


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

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

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

Combine like terms: 7 + 28 = 35
-49 + -28x = 35 + -7x

Solving
-49 + -28x = 35 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-49 + -28x + 7x = 35 + -7x + 7x

Combine like terms: -28x + 7x = -21x
-49 + -21x = 35 + -7x + 7x

Combine like terms: -7x + 7x = 0
-49 + -21x = 35 + 0
-49 + -21x = 35

Add '49' to each side of the equation.
-49 + 49 + -21x = 35 + 49

Combine like terms: -49 + 49 = 0
0 + -21x = 35 + 49
-21x = 35 + 49

Combine like terms: 35 + 49 = 84
-21x = 84

Divide each side by '-21'.
x = -4

Simplifying
x = -4

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