7x+3x=10*10-30

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Solution for 7x+3x=10*10-30 equation: 


Simplifying
7x + 3x = 10 * 10 + -30

Combine like terms: 7x + 3x = 10x
10x = 10 * 10 + -30

Multiply 10 * 10
10x = 100 + -30

Combine like terms: 100 + -30 = 70
10x = 70

Solving
10x = 70

Solving for variable 'x'.

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

Divide each side by '10'.
x = 7

Simplifying
x = 7

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