2.8=4.9-0.3x

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Solution for 2.8=4.9-0.3x equation: 


Simplifying
2.8 = 4.9 + -0.3x

Solving
2.8 = 4.9 + -0.3x

Solving for variable 'x'.

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

Add '0.3x' to each side of the equation.
2.8 + 0.3x = 4.9 + -0.3x + 0.3x

Combine like terms: -0.3x + 0.3x = 0.0
2.8 + 0.3x = 4.9 + 0.0
2.8 + 0.3x = 4.9

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 0.3x = 4.9 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 0.3x = 4.9 + -2.8
0.3x = 4.9 + -2.8

Combine like terms: 4.9 + -2.8 = 2.1
0.3x = 2.1

Divide each side by '0.3'.
x = 7

Simplifying
x = 7

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