4.7=8.7-0.8x

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Solution for 4.7=8.7-0.8x equation:


Simplifying
4.7 = 8.7 + -0.8x

Solving
4.7 = 8.7 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
4.7 + 0.8x = 8.7 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
4.7 + 0.8x = 8.7 + 0.0
4.7 + 0.8x = 8.7

Add '-4.7' to each side of the equation.
4.7 + -4.7 + 0.8x = 8.7 + -4.7

Combine like terms: 4.7 + -4.7 = 0.0
0.0 + 0.8x = 8.7 + -4.7
0.8x = 8.7 + -4.7

Combine like terms: 8.7 + -4.7 = 4
0.8x = 4

Divide each side by '0.8'.
x = 5

Simplifying
x = 5

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