7(3-x)=15x-1

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Solution for 7(3-x)=15x-1 equation:


Simplifying
7(3 + -1x) = 15x + -1
(3 * 7 + -1x * 7) = 15x + -1
(21 + -7x) = 15x + -1

Reorder the terms:
21 + -7x = -1 + 15x

Solving
21 + -7x = -1 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
21 + -7x + -15x = -1 + 15x + -15x

Combine like terms: -7x + -15x = -22x
21 + -22x = -1 + 15x + -15x

Combine like terms: 15x + -15x = 0
21 + -22x = -1 + 0
21 + -22x = -1

Add '-21' to each side of the equation.
21 + -21 + -22x = -1 + -21

Combine like terms: 21 + -21 = 0
0 + -22x = -1 + -21
-22x = -1 + -21

Combine like terms: -1 + -21 = -22
-22x = -22

Divide each side by '-22'.
x = 1

Simplifying
x = 1

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