-7=3(5x)+4x

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Solution for -7=3(5x)+4x equation:


Simplifying
-7 = 3(5x) + 4x

Remove parenthesis around (5x)
-7 = 3 * 5x + 4x

Multiply 3 * 5
-7 = 15x + 4x

Combine like terms: 15x + 4x = 19x
-7 = 19x

Solving
-7 = 19x

Solving for variable 'x'.

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

Add '-19x' to each side of the equation.
-7 + -19x = 19x + -19x

Combine like terms: 19x + -19x = 0
-7 + -19x = 0

Add '7' to each side of the equation.
-7 + 7 + -19x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -19x = 0 + 7
-19x = 0 + 7

Combine like terms: 0 + 7 = 7
-19x = 7

Divide each side by '-19'.
x = -0.3684210526

Simplifying
x = -0.3684210526

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