16x-7=20x-91

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Solution for 16x-7=20x-91 equation:


Simplifying
16x + -7 = 20x + -91

Reorder the terms:
-7 + 16x = 20x + -91

Reorder the terms:
-7 + 16x = -91 + 20x

Solving
-7 + 16x = -91 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-7 + 16x + -20x = -91 + 20x + -20x

Combine like terms: 16x + -20x = -4x
-7 + -4x = -91 + 20x + -20x

Combine like terms: 20x + -20x = 0
-7 + -4x = -91 + 0
-7 + -4x = -91

Add '7' to each side of the equation.
-7 + 7 + -4x = -91 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = -91 + 7
-4x = -91 + 7

Combine like terms: -91 + 7 = -84
-4x = -84

Divide each side by '-4'.
x = 21

Simplifying
x = 21

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