7[5-(-5x-9)]=70x+161

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Solution for 7[5-(-5x-9)]=70x+161 equation:


Simplifying
7[5 + -1(-5x + -9)] = 70x + 161

Reorder the terms:
7[5 + -1(-9 + -5x)] = 70x + 161
7[5 + (-9 * -1 + -5x * -1)] = 70x + 161
7[5 + (9 + 5x)] = 70x + 161

Combine like terms: 5 + 9 = 14
7[14 + 5x] = 70x + 161
[14 * 7 + 5x * 7] = 70x + 161
[98 + 35x] = 70x + 161

Reorder the terms:
98 + 35x = 161 + 70x

Solving
98 + 35x = 161 + 70x

Solving for variable 'x'.

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

Add '-70x' to each side of the equation.
98 + 35x + -70x = 161 + 70x + -70x

Combine like terms: 35x + -70x = -35x
98 + -35x = 161 + 70x + -70x

Combine like terms: 70x + -70x = 0
98 + -35x = 161 + 0
98 + -35x = 161

Add '-98' to each side of the equation.
98 + -98 + -35x = 161 + -98

Combine like terms: 98 + -98 = 0
0 + -35x = 161 + -98
-35x = 161 + -98

Combine like terms: 161 + -98 = 63
-35x = 63

Divide each side by '-35'.
x = -1.8

Simplifying
x = -1.8

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