3(x-7)+7x=15

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


Simplifying
3(x + -7) + 7x = 15

Reorder the terms:
3(-7 + x) + 7x = 15
(-7 * 3 + x * 3) + 7x = 15
(-21 + 3x) + 7x = 15

Combine like terms: 3x + 7x = 10x
-21 + 10x = 15

Solving
-21 + 10x = 15

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 10x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 10x = 15 + 21
10x = 15 + 21

Combine like terms: 15 + 21 = 36
10x = 36

Divide each side by '10'.
x = 3.6

Simplifying
x = 3.6

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