-89=4(4-7x)+7x

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Solution for -89=4(4-7x)+7x equation:


Simplifying
-89 = 4(4 + -7x) + 7x
-89 = (4 * 4 + -7x * 4) + 7x
-89 = (16 + -28x) + 7x

Combine like terms: -28x + 7x = -21x
-89 = 16 + -21x

Solving
-89 = 16 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
-89 + 21x = 16 + -21x + 21x

Combine like terms: -21x + 21x = 0
-89 + 21x = 16 + 0
-89 + 21x = 16

Add '89' to each side of the equation.
-89 + 89 + 21x = 16 + 89

Combine like terms: -89 + 89 = 0
0 + 21x = 16 + 89
21x = 16 + 89

Combine like terms: 16 + 89 = 105
21x = 105

Divide each side by '21'.
x = 5

Simplifying
x = 5

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