7(-1+3x)=98

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Solution for 7(-1+3x)=98 equation: 


Simplifying
7(-1 + 3x) = 98
(-1 * 7 + 3x * 7) = 98
(-7 + 21x) = 98

Solving
-7 + 21x = 98

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 21x = 98 + 7

Combine like terms: -7 + 7 = 0
0 + 21x = 98 + 7
21x = 98 + 7

Combine like terms: 98 + 7 = 105
21x = 105

Divide each side by '21'.
x = 5

Simplifying
x = 5

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