3(x+1.4)+10(1.26-x)=0

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Solution for 3(x+1.4)+10(1.26-x)=0 equation: 


Simplifying
3(x + 1.4) + 10(1.26 + -1x) = 0

Reorder the terms:
3(1.4 + x) + 10(1.26 + -1x) = 0
(1.4 * 3 + x * 3) + 10(1.26 + -1x) = 0
(4.2 + 3x) + 10(1.26 + -1x) = 0
4.2 + 3x + (1.26 * 10 + -1x * 10) = 0
4.2 + 3x + (12.6 + -10x) = 0

Reorder the terms:
4.2 + 12.6 + 3x + -10x = 0

Combine like terms: 4.2 + 12.6 = 16.8
16.8 + 3x + -10x = 0

Combine like terms: 3x + -10x = -7x
16.8 + -7x = 0

Solving
16.8 + -7x = 0

Solving for variable 'x'.

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

Add '-16.8' to each side of the equation.
16.8 + -16.8 + -7x = 0 + -16.8

Combine like terms: 16.8 + -16.8 = 0.0
0.0 + -7x = 0 + -16.8
-7x = 0 + -16.8

Combine like terms: 0 + -16.8 = -16.8
-7x = -16.8

Divide each side by '-7'.
x = 2.4

Simplifying
x = 2.4

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