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Popular >

3x-2y=30,2x+2y=70

Solution

3 x - 2 y = 30, 2 x + 2 y = 70

Solution

x = 20, y = 15

Solution steps

[3 x - 2 y = 30 2 x + 2 y = 70]

Isolate

x

for

3 x - 2 y = 30 : x = \frac{30 + 2 y}{3}

Substitute

x = \frac{30 + 2 y}{3}

[2 \cdot \frac{30 + 2 y}{3} + 2 y = 70]

Simplify

[\frac{60 + 10 y}{3} = 70]

Isolate

y

for

\frac{60 + 10 y}{3} = 70 : y = 15

For

x = \frac{30 + 2 y}{3}

Substitute

y = 15

x = \frac{30 + 2 \cdot 15}{3}

\frac{30 + 2 \cdot 15}{3} = 20

x = 20

The solutions to the system of equations are:

x = 20, y = 15

Popular Examples

x + 2 y = 0, - x + 2 y = 4

2x+3y=19,2x+y=9

2 x + 3 y = 19, 2 x + y = 9

c = 19, a = 8, b = 9

x + 2 y = 2, 2 x + 4 y = 4

x+5y=-2,3x-4y=-25

x + 5 y = - 2, 3 x - 4 y = - 25

Frequently Asked Questions (FAQ)

What is 3x-2y=30,2x+2y=70 ?
The solution to 3x-2y=30,2x+2y=70 is x=20,y=15