65=20+7x-4

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Solution for 65=20+7x-4 equation:


Simplifying
65 = 20 + 7x + -4

Reorder the terms:
65 = 20 + -4 + 7x

Combine like terms: 20 + -4 = 16
65 = 16 + 7x

Solving
65 = 16 + 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.
65 + -7x = 16 + 7x + -7x

Combine like terms: 7x + -7x = 0
65 + -7x = 16 + 0
65 + -7x = 16

Add '-65' to each side of the equation.
65 + -65 + -7x = 16 + -65

Combine like terms: 65 + -65 = 0
0 + -7x = 16 + -65
-7x = 16 + -65

Combine like terms: 16 + -65 = -49
-7x = -49

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

Simplifying
x = 7

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