5(3x+1)-4(x+3)=15

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Solution for 5(3x+1)-4(x+3)=15 equation:


Simplifying
5(3x + 1) + -4(x + 3) = 15

Reorder the terms:
5(1 + 3x) + -4(x + 3) = 15
(1 * 5 + 3x * 5) + -4(x + 3) = 15
(5 + 15x) + -4(x + 3) = 15

Reorder the terms:
5 + 15x + -4(3 + x) = 15
5 + 15x + (3 * -4 + x * -4) = 15
5 + 15x + (-12 + -4x) = 15

Reorder the terms:
5 + -12 + 15x + -4x = 15

Combine like terms: 5 + -12 = -7
-7 + 15x + -4x = 15

Combine like terms: 15x + -4x = 11x
-7 + 11x = 15

Solving
-7 + 11x = 15

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 11x = 15 + 7

Combine like terms: -7 + 7 = 0
0 + 11x = 15 + 7
11x = 15 + 7

Combine like terms: 15 + 7 = 22
11x = 22

Divide each side by '11'.
x = 2

Simplifying
x = 2

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