6+3(x-9)=7x+15

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Solution for 6+3(x-9)=7x+15 equation:


Simplifying
6 + 3(x + -9) = 7x + 15

Reorder the terms:
6 + 3(-9 + x) = 7x + 15
6 + (-9 * 3 + x * 3) = 7x + 15
6 + (-27 + 3x) = 7x + 15

Combine like terms: 6 + -27 = -21
-21 + 3x = 7x + 15

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

Solving
-21 + 3x = 15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-21 + 3x + -7x = 15 + 7x + -7x

Combine like terms: 3x + -7x = -4x
-21 + -4x = 15 + 7x + -7x

Combine like terms: 7x + -7x = 0
-21 + -4x = 15 + 0
-21 + -4x = 15

Add '21' to each side of the equation.
-21 + 21 + -4x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + -4x = 15 + 21
-4x = 15 + 21

Combine like terms: 15 + 21 = 36
-4x = 36

Divide each side by '-4'.
x = -9

Simplifying
x = -9

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