.2x+.25(7)=.21(x+7)

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Solution for .2x+.25(7)=.21(x+7) equation: 


Simplifying
0.2x + 0.25(7) = 0.21(x + 7)

Multiply 0.25 * 7
0.2x + 1.75 = 0.21(x + 7)

Reorder the terms:
1.75 + 0.2x = 0.21(x + 7)

Reorder the terms:
1.75 + 0.2x = 0.21(7 + x)
1.75 + 0.2x = (7 * 0.21 + x * 0.21)
1.75 + 0.2x = (1.47 + 0.21x)

Solving
1.75 + 0.2x = 1.47 + 0.21x

Solving for variable 'x'.

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

Add '-0.21x' to each side of the equation.
1.75 + 0.2x + -0.21x = 1.47 + 0.21x + -0.21x

Combine like terms: 0.2x + -0.21x = -0.01x
1.75 + -0.01x = 1.47 + 0.21x + -0.21x

Combine like terms: 0.21x + -0.21x = 0.00
1.75 + -0.01x = 1.47 + 0.00
1.75 + -0.01x = 1.47

Add '-1.75' to each side of the equation.
1.75 + -1.75 + -0.01x = 1.47 + -1.75

Combine like terms: 1.75 + -1.75 = 0.00
0.00 + -0.01x = 1.47 + -1.75
-0.01x = 1.47 + -1.75

Combine like terms: 1.47 + -1.75 = -0.28
-0.01x = -0.28

Divide each side by '-0.01'.
x = 28

Simplifying
x = 28

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