7x+21-(4x-1)=2

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Solution for 7x+21-(4x-1)=2 equation:


Simplifying
7x + 21 + -1(4x + -1) = 2

Reorder the terms:
7x + 21 + -1(-1 + 4x) = 2
7x + 21 + (-1 * -1 + 4x * -1) = 2
7x + 21 + (1 + -4x) = 2

Reorder the terms:
21 + 1 + 7x + -4x = 2

Combine like terms: 21 + 1 = 22
22 + 7x + -4x = 2

Combine like terms: 7x + -4x = 3x
22 + 3x = 2

Solving
22 + 3x = 2

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 3x = 2 + -22

Combine like terms: 22 + -22 = 0
0 + 3x = 2 + -22
3x = 2 + -22

Combine like terms: 2 + -22 = -20
3x = -20

Divide each side by '3'.
x = -6.666666667

Simplifying
x = -6.666666667

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