3x-(4x+7)=7x-15

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Solution for 3x-(4x+7)=7x-15 equation:


Simplifying
3x + -1(4x + 7) = 7x + -15

Reorder the terms:
3x + -1(7 + 4x) = 7x + -15
3x + (7 * -1 + 4x * -1) = 7x + -15
3x + (-7 + -4x) = 7x + -15

Reorder the terms:
-7 + 3x + -4x = 7x + -15

Combine like terms: 3x + -4x = -1x
-7 + -1x = 7x + -15

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

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

Combine like terms: -1x + -7x = -8x
-7 + -8x = -15 + 7x + -7x

Combine like terms: 7x + -7x = 0
-7 + -8x = -15 + 0
-7 + -8x = -15

Add '7' to each side of the equation.
-7 + 7 + -8x = -15 + 7

Combine like terms: -7 + 7 = 0
0 + -8x = -15 + 7
-8x = -15 + 7

Combine like terms: -15 + 7 = -8
-8x = -8

Divide each side by '-8'.
x = 1

Simplifying
x = 1

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