7(x-4)-3(2x+1)=13

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Solution for 7(x-4)-3(2x+1)=13 equation:


Simplifying
7(x + -4) + -3(2x + 1) = 13

Reorder the terms:
7(-4 + x) + -3(2x + 1) = 13
(-4 * 7 + x * 7) + -3(2x + 1) = 13
(-28 + 7x) + -3(2x + 1) = 13

Reorder the terms:
-28 + 7x + -3(1 + 2x) = 13
-28 + 7x + (1 * -3 + 2x * -3) = 13
-28 + 7x + (-3 + -6x) = 13

Reorder the terms:
-28 + -3 + 7x + -6x = 13

Combine like terms: -28 + -3 = -31
-31 + 7x + -6x = 13

Combine like terms: 7x + -6x = 1x
-31 + 1x = 13

Solving
-31 + 1x = 13

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 31 + 1x = 13 + 31

Combine like terms: -31 + 31 = 0
0 + 1x = 13 + 31
1x = 13 + 31

Combine like terms: 13 + 31 = 44
1x = 44

Divide each side by '1'.
x = 44

Simplifying
x = 44

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