5(4X-3)-4(3+2X)+(8X+7)=28

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Solution for 5(4X-3)-4(3+2X)+(8X+7)=28 equation:


Simplifying
5(4X + -3) + -4(3 + 2X) + (8X + 7) = 28

Reorder the terms:
5(-3 + 4X) + -4(3 + 2X) + (8X + 7) = 28
(-3 * 5 + 4X * 5) + -4(3 + 2X) + (8X + 7) = 28
(-15 + 20X) + -4(3 + 2X) + (8X + 7) = 28
-15 + 20X + (3 * -4 + 2X * -4) + (8X + 7) = 28
-15 + 20X + (-12 + -8X) + (8X + 7) = 28

Reorder the terms:
-15 + 20X + -12 + -8X + (7 + 8X) = 28

Remove parenthesis around (7 + 8X)
-15 + 20X + -12 + -8X + 7 + 8X = 28

Reorder the terms:
-15 + -12 + 7 + 20X + -8X + 8X = 28

Combine like terms: -15 + -12 = -27
-27 + 7 + 20X + -8X + 8X = 28

Combine like terms: -27 + 7 = -20
-20 + 20X + -8X + 8X = 28

Combine like terms: 20X + -8X = 12X
-20 + 12X + 8X = 28

Combine like terms: 12X + 8X = 20X
-20 + 20X = 28

Solving
-20 + 20X = 28

Solving for variable 'X'.

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

Add '20' to each side of the equation.
-20 + 20 + 20X = 28 + 20

Combine like terms: -20 + 20 = 0
0 + 20X = 28 + 20
20X = 28 + 20

Combine like terms: 28 + 20 = 48
20X = 48

Divide each side by '20'.
X = 2.4

Simplifying
X = 2.4

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