7(x-3)-(6x-7)=4

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Solution for 7(x-3)-(6x-7)=4 equation:


Simplifying
7(x + -3) + -1(6x + -7) = 4

Reorder the terms:
7(-3 + x) + -1(6x + -7) = 4
(-3 * 7 + x * 7) + -1(6x + -7) = 4
(-21 + 7x) + -1(6x + -7) = 4

Reorder the terms:
-21 + 7x + -1(-7 + 6x) = 4
-21 + 7x + (-7 * -1 + 6x * -1) = 4
-21 + 7x + (7 + -6x) = 4

Reorder the terms:
-21 + 7 + 7x + -6x = 4

Combine like terms: -21 + 7 = -14
-14 + 7x + -6x = 4

Combine like terms: 7x + -6x = 1x
-14 + 1x = 4

Solving
-14 + 1x = 4

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 1x = 4 + 14

Combine like terms: -14 + 14 = 0
0 + 1x = 4 + 14
1x = 4 + 14

Combine like terms: 4 + 14 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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