3x+7(x-9)=3(x-14)

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Solution for 3x+7(x-9)=3(x-14) equation:


Simplifying
3x + 7(x + -9) = 3(x + -14)

Reorder the terms:
3x + 7(-9 + x) = 3(x + -14)
3x + (-9 * 7 + x * 7) = 3(x + -14)
3x + (-63 + 7x) = 3(x + -14)

Reorder the terms:
-63 + 3x + 7x = 3(x + -14)

Combine like terms: 3x + 7x = 10x
-63 + 10x = 3(x + -14)

Reorder the terms:
-63 + 10x = 3(-14 + x)
-63 + 10x = (-14 * 3 + x * 3)
-63 + 10x = (-42 + 3x)

Solving
-63 + 10x = -42 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-63 + 10x + -3x = -42 + 3x + -3x

Combine like terms: 10x + -3x = 7x
-63 + 7x = -42 + 3x + -3x

Combine like terms: 3x + -3x = 0
-63 + 7x = -42 + 0
-63 + 7x = -42

Add '63' to each side of the equation.
-63 + 63 + 7x = -42 + 63

Combine like terms: -63 + 63 = 0
0 + 7x = -42 + 63
7x = -42 + 63

Combine like terms: -42 + 63 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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