4x+7(x+20)=85

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


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

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

Reorder the terms:
140 + 4x + 7x = 85

Combine like terms: 4x + 7x = 11x
140 + 11x = 85

Solving
140 + 11x = 85

Solving for variable 'x'.

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

Add '-140' to each side of the equation.
140 + -140 + 11x = 85 + -140

Combine like terms: 140 + -140 = 0
0 + 11x = 85 + -140
11x = 85 + -140

Combine like terms: 85 + -140 = -55
11x = -55

Divide each side by '11'.
x = -5

Simplifying
x = -5

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