7x-11-10x+21=28

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Solution for 7x-11-10x+21=28 equation:


Simplifying
7x + -11 + -10x + 21 = 28

Reorder the terms:
-11 + 21 + 7x + -10x = 28

Combine like terms: -11 + 21 = 10
10 + 7x + -10x = 28

Combine like terms: 7x + -10x = -3x
10 + -3x = 28

Solving
10 + -3x = 28

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + -3x = 28 + -10

Combine like terms: 10 + -10 = 0
0 + -3x = 28 + -10
-3x = 28 + -10

Combine like terms: 28 + -10 = 18
-3x = 18

Divide each side by '-3'.
x = -6

Simplifying
x = -6

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