7x-3(4-x)=15

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


Simplifying
7x + -3(4 + -1x) = 15
7x + (4 * -3 + -1x * -3) = 15
7x + (-12 + 3x) = 15

Reorder the terms:
-12 + 7x + 3x = 15

Combine like terms: 7x + 3x = 10x
-12 + 10x = 15

Solving
-12 + 10x = 15

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 10x = 15 + 12

Combine like terms: -12 + 12 = 0
0 + 10x = 15 + 12
10x = 15 + 12

Combine like terms: 15 + 12 = 27
10x = 27

Divide each side by '10'.
x = 2.7

Simplifying
x = 2.7

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