4+(-7)(x+20)=85

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Solution for 4+(-7)(x+20)=85 equation: 


Simplifying
4 + (-7)(x + 20) = 85

Reorder the terms:
4 + -7(20 + x) = 85
4 + (20 * -7 + x * -7) = 85
4 + (-140 + -7x) = 85

Combine like terms: 4 + -140 = -136
-136 + -7x = 85

Solving
-136 + -7x = 85

Solving for variable 'x'.

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

Add '136' to each side of the equation.
-136 + 136 + -7x = 85 + 136

Combine like terms: -136 + 136 = 0
0 + -7x = 85 + 136
-7x = 85 + 136

Combine like terms: 85 + 136 = 221
-7x = 221

Divide each side by '-7'.
x = -31.57142857

Simplifying
x = -31.57142857

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