-3(7x+5)=90

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Solution for -3(7x+5)=90 equation: 


Simplifying
-3(7x + 5) = 90

Reorder the terms:
-3(5 + 7x) = 90
(5 * -3 + 7x * -3) = 90
(-15 + -21x) = 90

Solving
-15 + -21x = 90

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -21x = 90 + 15

Combine like terms: -15 + 15 = 0
0 + -21x = 90 + 15
-21x = 90 + 15

Combine like terms: 90 + 15 = 105
-21x = 105

Divide each side by '-21'.
x = -5

Simplifying
x = -5

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