7x+3(3x-1)=157

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Solution for 7x+3(3x-1)=157 equation:


Simplifying
7x + 3(3x + -1) = 157

Reorder the terms:
7x + 3(-1 + 3x) = 157
7x + (-1 * 3 + 3x * 3) = 157
7x + (-3 + 9x) = 157

Reorder the terms:
-3 + 7x + 9x = 157

Combine like terms: 7x + 9x = 16x
-3 + 16x = 157

Solving
-3 + 16x = 157

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 16x = 157 + 3

Combine like terms: -3 + 3 = 0
0 + 16x = 157 + 3
16x = 157 + 3

Combine like terms: 157 + 3 = 160
16x = 160

Divide each side by '16'.
x = 10

Simplifying
x = 10

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