-21-14(-x-85)=21(x+51)

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Solution for -21-14(-x-85)=21(x+51) equation:


Simplifying
-21 + -14(-1x + -85) = 21(x + 51)

Reorder the terms:
-21 + -14(-85 + -1x) = 21(x + 51)
-21 + (-85 * -14 + -1x * -14) = 21(x + 51)
-21 + (1190 + 14x) = 21(x + 51)

Combine like terms: -21 + 1190 = 1169
1169 + 14x = 21(x + 51)

Reorder the terms:
1169 + 14x = 21(51 + x)
1169 + 14x = (51 * 21 + x * 21)
1169 + 14x = (1071 + 21x)

Solving
1169 + 14x = 1071 + 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.
1169 + 14x + -21x = 1071 + 21x + -21x

Combine like terms: 14x + -21x = -7x
1169 + -7x = 1071 + 21x + -21x

Combine like terms: 21x + -21x = 0
1169 + -7x = 1071 + 0
1169 + -7x = 1071

Add '-1169' to each side of the equation.
1169 + -1169 + -7x = 1071 + -1169

Combine like terms: 1169 + -1169 = 0
0 + -7x = 1071 + -1169
-7x = 1071 + -1169

Combine like terms: 1071 + -1169 = -98
-7x = -98

Divide each side by '-7'.
x = 14

Simplifying
x = 14

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