-2.7x+4(x-1)=10.5(2x+6)+31.5

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Solution for -2.7x+4(x-1)=10.5(2x+6)+31.5 equation:


Simplifying
-2.7x + 4(x + -1) = 10.5(2x + 6) + 31.5

Reorder the terms:
-2.7x + 4(-1 + x) = 10.5(2x + 6) + 31.5
-2.7x + (-1 * 4 + x * 4) = 10.5(2x + 6) + 31.5
-2.7x + (-4 + 4x) = 10.5(2x + 6) + 31.5

Reorder the terms:
-4 + -2.7x + 4x = 10.5(2x + 6) + 31.5

Combine like terms: -2.7x + 4x = 1.3x
-4 + 1.3x = 10.5(2x + 6) + 31.5

Reorder the terms:
-4 + 1.3x = 10.5(6 + 2x) + 31.5
-4 + 1.3x = (6 * 10.5 + 2x * 10.5) + 31.5
-4 + 1.3x = (63 + 21x) + 31.5

Reorder the terms:
-4 + 1.3x = 63 + 31.5 + 21x

Combine like terms: 63 + 31.5 = 94.5
-4 + 1.3x = 94.5 + 21x

Solving
-4 + 1.3x = 94.5 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-4 + 1.3x + -21x = 94.5 + 21x + -21x

Combine like terms: 1.3x + -21x = -19.7x
-4 + -19.7x = 94.5 + 21x + -21x

Combine like terms: 21x + -21x = 0
-4 + -19.7x = 94.5 + 0
-4 + -19.7x = 94.5

Add '4' to each side of the equation.
-4 + 4 + -19.7x = 94.5 + 4

Combine like terms: -4 + 4 = 0
0 + -19.7x = 94.5 + 4
-19.7x = 94.5 + 4

Combine like terms: 94.5 + 4 = 98.5
-19.7x = 98.5

Divide each side by '-19.7'.
x = -5

Simplifying
x = -5

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