3.5=2.1x+4.23x-7

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Solution for 3.5=2.1x+4.23x-7 equation:


Simplifying
3.5 = 2.1x + 4.23x + -7

Reorder the terms:
3.5 = -7 + 2.1x + 4.23x

Combine like terms: 2.1x + 4.23x = 6.33x
3.5 = -7 + 6.33x

Solving
3.5 = -7 + 6.33x

Solving for variable 'x'.

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

Add '-6.33x' to each side of the equation.
3.5 + -6.33x = -7 + 6.33x + -6.33x

Combine like terms: 6.33x + -6.33x = 0.00
3.5 + -6.33x = -7 + 0.00
3.5 + -6.33x = -7

Add '-3.5' to each side of the equation.
3.5 + -3.5 + -6.33x = -7 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -6.33x = -7 + -3.5
-6.33x = -7 + -3.5

Combine like terms: -7 + -3.5 = -10.5
-6.33x = -10.5

Divide each side by '-6.33'.
x = 1.658767773

Simplifying
x = 1.658767773

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