4.5=1-4.9x-2.1x

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Solution for 4.5=1-4.9x-2.1x equation:


Simplifying
4.5 = 1 + -4.9x + -2.1x

Combine like terms: -4.9x + -2.1x = -7x
4.5 = 1 + -7x

Solving
4.5 = 1 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
4.5 + 7x = 1 + -7x + 7x

Combine like terms: -7x + 7x = 0
4.5 + 7x = 1 + 0
4.5 + 7x = 1

Add '-4.5' to each side of the equation.
4.5 + -4.5 + 7x = 1 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + 7x = 1 + -4.5
7x = 1 + -4.5

Combine like terms: 1 + -4.5 = -3.5
7x = -3.5

Divide each side by '7'.
x = -0.5

Simplifying
x = -0.5

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