-3(x-14)+7(x+3)=21x+105

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Solution for -3(x-14)+7(x+3)=21x+105 equation:


Simplifying
-3(x + -14) + 7(x + 3) = 21x + 105

Reorder the terms:
-3(-14 + x) + 7(x + 3) = 21x + 105
(-14 * -3 + x * -3) + 7(x + 3) = 21x + 105
(42 + -3x) + 7(x + 3) = 21x + 105

Reorder the terms:
42 + -3x + 7(3 + x) = 21x + 105
42 + -3x + (3 * 7 + x * 7) = 21x + 105
42 + -3x + (21 + 7x) = 21x + 105

Reorder the terms:
42 + 21 + -3x + 7x = 21x + 105

Combine like terms: 42 + 21 = 63
63 + -3x + 7x = 21x + 105

Combine like terms: -3x + 7x = 4x
63 + 4x = 21x + 105

Reorder the terms:
63 + 4x = 105 + 21x

Solving
63 + 4x = 105 + 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.
63 + 4x + -21x = 105 + 21x + -21x

Combine like terms: 4x + -21x = -17x
63 + -17x = 105 + 21x + -21x

Combine like terms: 21x + -21x = 0
63 + -17x = 105 + 0
63 + -17x = 105

Add '-63' to each side of the equation.
63 + -63 + -17x = 105 + -63

Combine like terms: 63 + -63 = 0
0 + -17x = 105 + -63
-17x = 105 + -63

Combine like terms: 105 + -63 = 42
-17x = 42

Divide each side by '-17'.
x = -2.470588235

Simplifying
x = -2.470588235

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